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shreyasharma

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[ "fossil fuels are a nonrenewable resource & nonrenewable resources will eventually be depleted -> fossil fuels will eventually be depleted", " " ]

[ "remains are parts of a dead organism & fossil fuels / fossils are formed from dead organisms over time -> fossil fuels are formed from the remains of organisms", " fossil fuels are formed from the remains of organisms & an organism is a living thing -> fossil fuels are formed from the remains of living things", " " ]

[ "how long something lasts is a measure of how long that something is available & as the use of a resource decreases , the length of time that resource being available will increases -> as the use of a resource decreases, the length of time that that resource will last increases", " as the use of a resource decreases, the length of time that that resource will last increases & to last longer means the length of time that something lasts increases -> decreasing the use of a resource causes that resource to last longer", " oil is used for producing electricity0 & fossil fuels are a kind of energy resource -> a fossil fuel supply is a kind of resource", " decreasing the use of a resource causes that resource to last longer & a fossil fuel supply is a kind of resource -> decreasing the use of a fossil fuel supply causes that fossil fuel supply to last longer", " oil is used for producing electricity & oil is a kind of fossil fuel -> fossil fuel is used for producing electricity", " fossil fuel is used for producing electricity & as the use of something decreases, the use of things used to produce that something decreases -> as the use of electricity decreases, the use of fossil fuels decreases", " oil is used for producing electricity1 & as the use of something decreases , the use of the source of that something will decrease -> as the use of something decreases, the use of the supply of that something decreases", " as the use of electricity decreases, the use of fossil fuels decreases & as the use of something decreases, the use of the supply of that something decreases -> as the use of electricity decreases, the use of a fossil fuel supply decreases", " decreasing the use of a fossil fuel supply causes that fossil fuel supply to last longer & as the use of electricity decreases, the use of a fossil fuel supply decreases -> decreasing the use of electricity causes a fossil fuel supply to last longer", " decreasing the use of electricity causes a fossil fuel supply to last longer & to decrease something means to reduce something -> reducing the use of electricity causes the fossil fuel supply to last longer", " " ]

[ "burning something is a kind of action & if something occurs by performing an action, then that action is required for that something to occur -> if something occurs by burning something else, then burning that something else is required for that something to occur", " if something occurs by burning something else, then burning that something else is required for that something to occur & natural gas is used for generating electricity by burning in a power plant -> using natural gas to generate electricity requires burning that natural gas", " using natural gas to generate electricity requires burning that natural gas & fossil fuels are a nonrenewable resource1 -> using fossil fuels to generate electricity requires burning fossil fuels", " using fossil fuels to generate electricity requires burning fossil fuels -> using fossil fuels to generate power requires burning fossil fuels", " fossil fuels are a nonrenewable resource2 & electrical power is a kind of power -> electricity is a kind of power", " using fossil fuels to generate power requires burning fossil fuels & electricity is a kind of power & fossil fuels are a nonrenewable resource0 -> using fossil fuels to generate power produces greenhouse gasses", " using fossil fuels to generate power produces greenhouse gasses & fossil fuels are a nonrenewable resource -> using nonrenewable resources to generate power produces greenhouse gasses", " using nonrenewable resources to generate power produces greenhouse gasses & if something causes an increase in something else then that something produces that something else -> using nonrenewable resources to generate power increases greenhouse gasses", " using nonrenewable resources to generate power increases greenhouse gasses & if something increases something else then decreasing that something will decrease that something else -> decreasing the use of nonrenewable resources to generate power will decrease greenhouse gasses", " decreasing the use of nonrenewable resources to generate power will decrease greenhouse gasses & as the use of renewable resources increases , use of nonrenewable resources will decrease -> if something occurs by burning something else, then burning that something else is required for that something to occur0: increasing the use of renewable resources to generate power will decrease greenhouse gasses", " if something occurs by burning something else, then burning that something else is required for that something to occur0 & to decrease something means to reduce that something -> using renewable resources to generate power reduces greenhouse gases", " " ]

[ "to produce something means to form something & a source of something emits / produces / generates / provides that something -> a source of something forms that something", " a source of something forms that something & sulfur dioxide is formed by the combustion of fossil fuels -> the combustion of fossil fuels is a source of sulfur dioxide", " " ]

[ "energy formed by magma heating earth's crust is emitted along fault lines & geothermal energy is formed by magma heating earth 's crust -> geothermal energy is emitted along fault lines", " geothermal energy is emitted along fault lines & a source of something emits / produces / generates / provides that something -> fault lines are a source of geothermal energy", " nevada contains many active fault lines & if something contains many of something else then that something else is common in that something -> active fault lines are common in nevada", " fault lines are a source of geothermal energy & active fault lines are common in nevada -> geothermal energy is common in nevada", " geothermal energy is common in nevada & geothermal energy is a renewable resource -> geothermal energy is a common renewable resource in nevada", " " ]

[ "if something is emitted at a location then that something can be found at that location & energy formed by magma heating earth's crust is emitted along fault lines -> energy formed by magma heating earth's crust can be found along fault lines", " energy formed by magma heating earth's crust can be found along fault lines & geothermal energy is formed by magma heating earth 's crust -> geothermal energy can be found along fault lines", " geothermal energy can be found along fault lines & nevada contains many active fault lines -> geothermal energy can be found in nevada", " geothermal energy can be found in nevada & geothermal energy is a renewable resource -> geothermal energy is a renewable resource that can be found in nevada", " " ]

[ "metal is a nonrenewable resource & copper is a kind of metal -> copper is a kind of nonrenewable resource", " " ]

[ "an example of heating something is heating a building & a source of heat can be used to heat something -> a source of heat can be used to heat a building", " a source of heat can be used to heat a building & natural gas is a source of heat by burning -> natural gas is used for heating building by burning", " natural gas is used for heating building by burning & a home is a kind of building -> natural gas is used for heating homes by burning", " fossil fuels are a nonrenewable resource & natural gas is a kind of fossil fuel -> natural gas is a nonrenewable resource", " natural gas is used for heating homes by burning & natural gas is a nonrenewable resource -> natural gas is a nonrenewable resource that is used for heating homes", " " ]

[ "gasoline is a kind of fuel & fuel is a kind of resource -> gasoline is a kind of resource", " gasoline is a kind of resource & as the use of a resource decreases , the length of time that resource being available will increases -> as the use of gasoline decreases, the length of time that gasoline is available will increase", " as the use of gasoline decreases, the length of time that gasoline is available will increase & as mileage per gallon of gasoline increases , the amount of gasoline used will decrease -> as mileage per gallon of gasoline increases, the length of time that gasoline is available will increase", " as mileage per gallon of gasoline increases, the length of time that gasoline is available will increase & oil is a source of gasoline -> as mileage per gallon of oil increases, the amount of time that oil is available will increase", " as mileage per gallon of oil increases, the amount of time that oil is available will increase & to increase something can mean to extend somthing -> as mileage per gallon of oil increases, the amount of time that oil is available will be extended", " " ]

[ "as the use of alternative fuels increases , the use of gasoline will decrease & if a certain something decreases the use of a resource then that certain something uses less of that resource than a regular something -> something that uses alternative fuels uses less gasoline than a regular something", " electricity is a kind of alternative fuel & electricity is a kind of alternative fuel3 -> an electrical device uses alternative fuel to operate", " an electrical device uses alternative fuel to operate & an electric motor is a kind of electrical device -> an electric motor uses alternative fuel to operate", " something that uses alternative fuels uses less gasoline than a regular something & an electric motor uses alternative fuel to operate -> a something that uses an electric motor uses less gasoline than a regular something", " electricity is a kind of alternative fuel0 & an electric car is a kind of machine -> an electric car is a kind of machine that contains an electric motor", " electricity is a kind of alternative fuel1 & if a machine contains a part then that machine uses that part -> if a machine contains an electrical device then that machine uses that electrical device", " if a machine contains an electrical device then that machine uses that electrical device & an electric motor is a kind of electrical device -> if a machine contains an electric motor then that machine uses that electric motor", " an electric car is a kind of machine that contains an electric motor & if a machine contains an electric motor then that machine uses that electric motor -> an electric car uses an electric motor", " a something that uses an electric motor uses less gasoline than a regular something & an electric car uses an electric motor -> electric car uses less gasoline than a regular car", " electricity is a kind of alternative fuel2 & using a gasoline engine requires burning gasoline -> something that uses alternative fuels uses less gasoline than a regular something0: using gasoline is a source of pollution", " something that uses alternative fuels uses less gasoline than a regular something0 & pollution has a negative impact on the environment / air quality / water quality / society -> something that uses alternative fuels uses less gasoline than a regular something1: using gasoline has a negative impact on the environment / air quality / water quality / society", " something that uses alternative fuels uses less gasoline than a regular something1 & using less of something negative has a positive impact -> something that uses alternative fuels uses less gasoline than a regular something2: using less gasoline has a positive impact on the environment / air quality / water quality / society", " something that uses alternative fuels uses less gasoline than a regular something2 & electric car uses less gasoline than a regular car -> an electric car has a positive impact on the environment / air quality / water quality / society by using less gasoline", " " ]

[ "fossil fuels / fossils forming occurs over a period of 300000000 years which is considered a very long time to a human & fossil fuels / fossils are formed from dead organisms over time -> fossil fuels are formed from dead organisms over a very long period of time", " fossil fuels are formed from dead organisms over a very long period of time & if something formed from something else over a very long period of time then that something else existed a very long time ago -> fossil fuels are formed from dead organisms from a very long time ago", " fossil fuels are formed from dead organisms from a very long time ago & prehistoric means a very long time ago -> fossil fuels are formed from dead prehistoric organisms", " if a living thing dies then that living thing is dead & a living thing is an organism -> if an organism dies then that organism is dead", " if an organism dies then that organism is dead & dead organisms decay -> if an organism dies then that organism is dead and decays", " fossil fuels are formed from dead prehistoric organisms & if an organism dies then that organism is dead and decays -> fossil fuels are formed from prehistoric organisms dying and decaying", " fossil fuels are formed from prehistoric organisms dying and decaying & an animal is a kind of organism -> fossil fuels are formed from prehistoric animals dying and decaying", " fossil fuels are formed from prehistoric animals dying and decaying & oil is a kind of fossil fuel -> oil is formed from prehistoric animals dying and decaying", " " ]

[ "if something comes from something else then that something else is a source of that something & oil is a source of gasoline -> gasoline comes from oil", " gasoline comes from oil & oil is a nonrenewable resource -> gasoline comes from a nonrenewable resource", " gasoline comes from a nonrenewable resource & a nonrenewable resource is limited in supply -> gasoline comes from a resource that is limited in supply", " for something to be replaced means for something else to be used instead of that something & if a resource is limited in supply then that resource needs to be replaced -> if a resource is limited in supply then something else needs to be used instead of that resource", " gasoline comes from a resource that is limited in supply & if a resource is limited in supply then something else needs to be used instead of that resource & an automobile is a kind of vehicle0 -> something else must be used instead of gasoline because gasoline comes from a limited resource", " an automobile is a kind of vehicle & vehicles usually require gasoline to operate -> automobiles usually require gasoline to operate", " automobiles usually require gasoline to operate & alternative fuels are being used in some automobiles -> alternative fuels are being used in some automobiles instead of gasoline", " something else must be used instead of gasoline because gasoline comes from a limited resource & alternative fuels are being used in some automobiles instead of gasoline -> alternative fuels are being used instead of gasoline in automobiles because gasoline comes from a limited resource", " " ]

[ "fossil fuels are a nonrenewable resource & fossil fuels / fossils forming occurs over a period of 300000000 years which is considered a very long time to a human -> nonrenewable resources forming occurs over a period of 300000000 years which is considered a very long time to a human", " two million or more years means millions of years & 300000000 years equals three hundred million years -> 300000000 years means millions of years", " nonrenewable resources forming occurs over a period of 300000000 years which is considered a very long time to a human & 300000000 years means millions of years -> nonrenewable resources forming occurs over a period of millions of years", " years are a kind of unit for measuring time & how long something takes is a kind of measurement of time -> how many years something takes is a kind of measurement of time", " how many years something takes is a kind of measurement of time & a period is a kind of measurement of time -> how many years something takes is a kind of period", " nonrenewable resources forming occurs over a period of millions of years & how many years something takes is a kind of period -> nonrenewable resources forming can take millions of years", " " ]

[ "a source of something emits / produces / generates / provides that something & using biomass to produce energy is a source of pollution -> using biomass to produce energy emits pollution", " using biomass to produce energy emits pollution & if something emits something else then that something increases the amount of that something else -> using biomass to produce energy increases the amount of pollution", " using biomass to produce energy increases the amount of pollution & biomass is a renewable resource -> biomass is a kind of renewable resource that increases pollution when used to produce energy", " " ]

[ "a solar panel is a kind of object & if an object converts something into something else, then that object uses that something to produce that something else -> if a solar panel converts something into something else, then that solar panel uses that something to produce that something else", " if a solar panel converts something into something else, then that solar panel uses that something to produce that something else & a solar panel converts sunlight / solar energy into electrical energy / electricity -> a solar panel uses solar energy to produce electrical energy", " a solar panel uses solar energy to produce electrical energy & solar energy is a renewable / inexhaustible resource -> a solar panel uses a renewable resource to produce electrical energy", " a solar panel uses a renewable resource to produce electrical energy & electrical energy is a kind of energy -> a solar panel uses a renewable resource to produce energy", " a home is a kind of building & energy is used for heating a building by a heating system -> energy is used for heating a home", " a solar panel uses a renewable resource to produce energy & energy is used for heating a home -> solar panels use a renewable resource to produce energy which is used for heating a home", " " ]

[ "a desert environment usually has a lot of sunlight & sunlight is a kind of solar energy -> a desert environment usually has a lot of solar energy", " a desert environment usually has a lot of solar energy & if an environment has something then that something can be found in that environment -> a lot of solar energy can be found in a desert environment", " solar energy is a kind of resource & if there is a lot of a resource found in an environemnt then that resource is a common resource in that environment -> if there is a lot of solar energy found in an environment then solar energy is a common resource in that environment", " a lot of solar energy can be found in a desert environment & if there is a lot of solar energy found in an environment then solar energy is a common resource in that environment -> solar energy is a common resource found in desert environments", " solar energy is a common resource found in desert environments & solar energy is a renewable / inexhaustible resource -> solar energy is a common renewable resource found in desert environments", " " ]

[ "sunlight is a kind of solar energy & solar energy is a renewable / inexhaustible resource -> sunlight is a kind of renewable resource", " " ]

[ "solar energy is a renewable / inexhaustible resource & sunlight is a kind of solar energy -> sunlight is a kind of rewnewable resource", " sunlight is a kind of rewnewable resource & wind / wind energy is a renewable / inexhaustible resource -> wind and sunlight are kinds of renewable resources", " " ]

[ "decreasing the number of something limits the supply of that something & cutting down trees in a forest causes the number of trees to decrease in that forest -> cutting down trees in a forest limits the supply of trees in that forest", " cutting down trees in a forest limits the supply of trees in that forest & trees are a renewable resource -> cutting down trees in a forest limits the supply of a renewable resource in that forest", " " ]

[ "renewable resources can be used over again & water is a renewable resource -> water can be used over again", " " ]

[ "recyclable means a material can be recycled / reused many times & renewable resources can be used over again -> renewable resources can be recycled many times", " a river is a kind of flowing / moving body of water & moving water on earth is a part of water cycle -> water in a river is part of the water cycle", " water in a river is part of the water cycle & the water cycle recycles water throughout the earth over time -> water in a river is recycled by the water cycle over time", " the water cycle is a kind of natural process & a natural process is performed by nature -> the water cycle is performed by nature", " water in a river is recycled by the water cycle over time & the water cycle is performed by nature -> water in a river is recycled by nature over time", " renewable resources can be recycled many times & water in a river is recycled by nature over time -> water in a river is a renewable resource because it is recycled by nature over time", " " ]

[ "wind / wind energy is a renewable / inexhaustible resource & an energy source is a kind of resource -> wind is a renewable energy source", " " ]

[ "an inexhaustible resource is a kind of renewable resource & to be inexhaustible means to always be available -> an inexhaustable resource is a kind of renewable resource that is always available", " an inexhaustable resource is a kind of renewable resource that is always available & wind is an inexhaustible resource -> wind is a kind of renewable resource that is always available", " wind is a kind of renewable resource that is always available & wind is a source of energy & an energy source is a kind of resource -> wind is a kind of renewable energy source that is always available", " " ]

[ "wind is a source of energy & a source of energy is a kind of energy resource -> wind is a kind of energy resource", " wind is a kind of energy resource & wind / wind energy is a renewable / inexhaustible resource -> wind is a kind of energy resource that is renewable", " " ]

[ "a tree contains wood & trees are a renewable resource -> wood is a renewable resource", " " ]

[ "aluminum is recyclable & aluminum is a nonrenewable resource -> aluminum is a nonrenewable resource that is recyclable", " aluminum is a nonrenewable resource that is recyclable & a soda can is made of aluminum -> a soda can is made of a nonrenewable resource that is recyclable", " a soda can is made of a nonrenewable resource that is recyclable & recycling nonrenewable resources has a positive impact on the conservation of those resources -> recycling soda cans has a positive impact on the conservation of nonrenewable resources", " " ]

[ "a plant / living thing requires nutrients to grow & soil provides nutrients for plants -> soil provides nutrients that plants need to grow", " soil provides nutrients that plants need to grow & some minerals are nutrients -> soil provides minerals that plants need to grow", " soil provides minerals that plants need to grow & soil is a kind of resource -> soil is a kind of resource that provides minerals that plants need to grow", " " ]

[ "planting crops is a kind of activity & planting is a kind of human action -> planting crops is a kind of human activity", " planting crops is a kind of human activity & planting crops requires growing crops -> growing crops is a kind of human activity", " soil contains nutrients for plants & a plant / living thing requires nutrients to grow -> a plant requires nutrients in soil to grow", " a plant requires nutrients in soil to grow & crops are a kind of edible plant for eating -> crops require nutrients in soil to grow", " crops require nutrients in soil to grow & if something requires something else then that something relies on that something else -> crops rely on nutrients in soil to grow", " crops rely on nutrients in soil to grow & high quality / rich / good soil has a high number of nutrients / amount of nitrogen -> crops rely on high quality soil to grow", " growing crops is a kind of human activity & crops rely on high quality soil to grow -> growing crops is a kind of human activity that relies on high quality soil to grow", " " ]

[ "crop rotation renews / protects soil & renewing soil increases the nutrients in soil -> crop rotation increases the nutrients in soil", " crop rotation increases the nutrients in soil & if something increases something else, then decreasing that something will decrease that something else -> decreasing crop rotation will decrease the nutrients in soil", " crop rotation is a kind of process & not doing something that is required for a process decreases the performance of that process -> not doing something that is required for crop rotation decreases crop rotation", " not doing something that is required for crop rotation decreases crop rotation & crop rotation requires rotating crops from year to year -> when crops are not rotated from year to year, crop rotation decreases", " decreasing crop rotation will decrease the nutrients in soil & when crops are not rotated from year to year, crop rotation decreases -> when crops are not rotated from year to year, the nutrients in soil decrease", " when crops are not rotated from year to year, the nutrients in soil decrease & if something is decreased then that something is depleted -> when crops are not rotated from year to year, the nutrients in soil are depleted", " " ]

[ "high quality / rich / good soil has a high number of nutrients / amount of nitrogen1 & high quality / rich / good soil has a high number of nutrients / amount of nitrogen2 -> overproduction of corn can cause soil fertility to decrease", " soil provides nutrients for plants & a plant requires soil for survival / to grow -> a plant requires nutrients in soil to grow", " a plant requires nutrients in soil to grow & if a living thing requires something then that something has a positive impact on that living thing -> nutrients in soil have a positive impact on plants", " high quality / rich / good soil has a high number of nutrients / amount of nitrogen & fertile soil is high in quality -> fertile soil has a high number of nutrients", " fertile soil has a high number of nutrients & fertility is a property of soil that describes how fertile the soil is -> soil with high fertility has a high number of nutrients", " nutrients in soil have a positive impact on plants & soil with high fertility has a high number of nutrients -> high soil fertility has a positive impact on plants", " high soil fertility has a positive impact on plants & high quality / rich / good soil has a high number of nutrients / amount of nitrogen0 -> decreasing soil fertility has a negative impact on plants", " plants are a kind of organism & organisms are a part of an environment -> plants are a part of the environment", " decreasing soil fertility has a negative impact on plants & plants are a part of the environment -> a decrease in soil fertility has a negative impact on environment", " overproduction of corn can cause soil fertility to decrease & a decrease in soil fertility has a negative impact on environment -> overproduction of corn can cause soil fertility to decrease0: overproduction of corn can have a negative impact on the environment by decreasing soil fertility", " overproduction of corn can cause soil fertility to decrease0 & to have a negative impact on something means to negatively affect that something -> overproduction of corn can negatively affect the environment by decreasing soil fertility", " " ]

[ "planting trees increases the number of trees in an environment & planting tree is a kind of human action -> planting trees is a kind of human action that increases the number of trees in an envrionment", " rate is a kind of measure of speed & to slow / to slow down decreases speed -> to slow / to slow down decreases the rate of something", " to slow / to slow down decreases the rate of something & tree roots decrease / reduce soil erosion -> tree roots slow the rate of soil erosion", " tree roots slow the rate of soil erosion & roots are a part of a plant / tree -> trees slow the rate of soil erosion", " rate is a kind of measure of speed & to slow / to slow down decreases speed -> to slow / to slow down decreases the rate of something", " to slow / to slow down decreases the rate of something & if something decreases something else then increasing that something will decrease that something else -> if something slows the rate of something else then increasing that something will slow the rate of that something else", " trees slow the rate of soil erosion & if something slows the rate of something else then increasing that something will slow the rate of that something else -> increasing the number of trees slows the rate of soil erosion", " planting trees is a kind of human action that increases the number of trees in an envrionment & increasing the number of trees slows the rate of soil erosion -> planting trees is a kind of human action that slows the rate of soil erosion", " " ]

[ "water causes soil and rock erosion & water flows down a slope -> water flowing down slopes causes soil erosion", " water does not easily flow on a flat surface & terraces change slopes into a series of flat steps -> terraces change slopes into a kind of surface that water does not easily flow over", " water flowing down slopes causes soil erosion & terraces change slopes into a kind of surface that water does not easily flow over -> terraces decrease / reduce soil erosion on a slope", " terraces decrease / reduce soil erosion on a slope & preventing something decreases the amount of that something -> terraces prevent soil erosion on a slope", " a mountain / hill is a kind of environment & a slope is a part of a mountain / hill -> a slope is a kind of environment", " a slope is a kind of environment & building terraces increases the amount of terraces in an environment -> building terraces on a slope increases the amount of terraces on that slope", " terraces prevent soil erosion on a slope & building terraces on a slope increases the amount of terraces on that slope -> building terraces on a slope prevents soil erosion on that slope", " " ]

[ "planting legumes adds nitrogen to soil & adding something means increasing the amount of something -> planting legumes increases the amount of nitrogen in soil", " planting legumes increases the amount of nitrogen in soil & high quality / rich / good soil has a high amount of nitrogen -> planting legumes increases the quality of soil", " planting legumes increases the quality of soil & an enrichment means an increase in quality -> planting legumes enriches the quality of soil", " planting legumes enriches the quality of soil & to enrich something means to cause an enrichment of that something -> planting legumes causes an enrichment in the quality of soil", " planting legumes causes an enrichment in the quality of soil & fertile soil is high in quality -> planting legumes causes an enrichment in the fertility of soil", " " ]

[ "if something provides something else then that something increases the amount of that something else & an increase in the amount of something causes there to be more of something -> if something provides something else then that something causes there to be more of something else", " if something provides something else then that something causes there to be more of something else & growing legumes provide nitrogen for other plants -> growing legumes causes there to be more nitrogen for other plants", " growing legumes causes there to be more nitrogen for other plants & if something causes something else then that something else is an effect of that something -> more nitrogen for other plants is an effect of growing legumes", " " ]

[ "a land mass is a kind of object & a continent is a kind of large land mass -> a cotinental land mass is a kind of object", " a cotinental land mass is a kind of object & continental land masses absorb solar energy -> a continental land mass is a kind of object that absorbs solar energy", " absorbing energy causes objects / materials / substances to heat & solar energy is a kind of energy -> absorbing solar energy causes objects to heat", " a continental land mass is a kind of object that absorbs solar energy & absorbing solar energy causes objects to heat -> absorbing solar energy causes continental land masses to heat", " if a part of something absorbs heat then that heat will be distributed to the rest of that something0 & if something is located on something else then that something is a part of that something else -> continental land masses are a part of earth", " if a part of something absorbs heat then that heat will be distributed to the rest of that something & absorbing heat causes something to heat -> if a part of something is heated then the rest of that something will be heated", " continental land masses are a part of earth & if a part of something is heated then the rest of that something will be heated -> if continental land masses are heated then the earth will be heated", " absorbing solar energy causes continental land masses to heat & if continental land masses are heated then the earth will be heated -> continental land masses absorbing solar energy causes the earth to heat", " continental land masses absorbing solar energy causes the earth to heat & to heat means to warm up -> continental land masses absorbing solar energy causes the earth to warm up", " " ]

[ "a watch requires electrical energy to operate & if something is required then that something must be provided -> a watch must be provided with electrical energy", " a watch must be provided with electrical energy & electrical energy is a kind of energy -> a watch must be provided with energy", " a watch must be provided with energy & a source of something emits / produces / generates / provides that something -> a watch must be provided with an energy source", " if an object converts something into something else then that object is a source of that something else & a cell is a kind of object -> if a cell converts something into something else then that cell is a source of that something else", " if a cell converts something into something else then that cell is a source of that something else & solar cells convert solar energy into electrical energy -> solar cells are a source of electrical energy", " solar cells are a source of electrical energy & electrical energy is a kind of energy -> solar cells are a source of energy", " a watch must be provided with an energy source & solar cells are a source of energy -> solar cells provide an energy source for a watch", " " ]

[ "pollution has a negative impact on the environment / air quality / water quality / society & solar energy rarely causes pollution -> solar energy rarely has a negative impact on the environment", " solar energy rarely has a negative impact on the environment & harming something has a negative impact on / effect on that something -> solar energy rarely harms the environment", " solar energy rarely harms the environment & if something happens rarely then that something likely happens the least -> solar energy likely harms the environment the least", " solar energy likely harms the environment the least & solar energy is a source of electricity -> solar energy is a source of electricity that likely harms the environment the least", " solar energy is a source of electricity that likely harms the environment the least & solar power means solar energy -> solar power is a source of electricity that likely harms the environment the least", " " ]

[ "paper is a kind of tool & inventing a tool allows / enables that tool to be used -> inventing paper allows paper to be used", " inventing paper allows paper to be used & if something is allowed to be used then the use of that something might increase -> inventing paper might increase the use of paper", " using paper requires creating paper & creating paper requires cutting down trees -> using paper requires cutting down trees", " using paper requires cutting down trees & if something requires something else then increasing that something requires an increase in that something else -> an increased use of paper requires an increase in the number of trees cut down", " cutting down trees has a negative impact on an ecosystem / organisms living in an ecosystem & if something has a negative impact on something else then increasing the amount of that something has a negative impact on that something else -> increasing the number of trees cut down has a negative impact on the environment", " an increased use of paper requires an increase in the number of trees cut down & increasing the number of trees cut down has a negative impact on the environment -> an increased use of paper has a negative effect on the environment by increasing the number of trees cut down", " inventing paper might increase the use of paper & an increased use of paper has a negative effect on the environment by increasing the number of trees cut down -> the invention and increased use of paper has a negative impact on the environment by increasing the number of trees cut down", " the invention and increased use of paper has a negative impact on the environment by increasing the number of trees cut down & an impact means an effect -> a negative effect of the invention and use of paper is an increased number of trees cut down", " " ]

[ "fallen trees are a kind of dead organism & removing dead organisms from an ecosystem causes available nutrients to be removed from that ecosystem -> removing fallen trees from an ecosystem causes available nutrients to be removed from that ecosystem", " a plant is a kind of organism & a plant / living thing requires nutrients to grow -> organisms require nutrients to grow", " if a living thing requires something then that something has a positive impact on that living thing & a living thing is an organism -> if an organism requires something then that something has a positive impact on that organism", " organisms require nutrients to grow & if an organism requires something then that something has a positive impact on that organism -> nutrients have a positive impact on organisms", " nutrients have a positive impact on organisms & organisms are a part of an environment -> nutrients have a positive impact on the environment", " nutrients have a positive impact on the environment & a plant is a kind of organism0 -> removing nutrients has a negative impact on the environment", " removing nutrients has a negative impact on the environment & harming something has a negative impact on / effect on that something -> removing nutrients harms the environment", " removing nutrients harms the environment & an environment is a kind of ecosystem -> removing nutrients harms an ecosystem", " removing fallen trees from an ecosystem causes available nutrients to be removed from that ecosystem & removing nutrients harms an ecosystem -> removing fallen trees harms an ecosystem by removing available nutrients", " " ]

[ "planting trees is sometimes a human activity & planting trees has a positive impact on an ecosystem -> planting trees is a kind of human activity that has a positive impact on an ecosystem", " planting trees is a kind of human activity that has a positive impact on an ecosystem & an impact means an effect -> planting trees is a kind of human activity that has a positive effect on an ecosystem", " " ]

[ "wood is a kind of resource & frame construction requires wood -> wood is a kind of resource that is required for frame construction", " frame construction is a kind of industry & if an industry requires a resource then that industry predominates in areas with an abundance of that resource -> if frame construction requires a resource then frame construction predominates in areas with an abundance of that resource", " wood is a kind of resource that is required for frame construction & if frame construction requires a resource then frame construction predominates in areas with an abundance of that resource -> frame construction predominates in areas with an abundance of wood", " new england has an abundance of trees & a tree contains wood -> new england has an abundance of wood", " frame construction predominates in areas with an abundance of wood & new england has an abundance of wood -> frame construction predominates in the new england area because that area has an abundance of wood", " " ]

[ "resources need to be managed & an example of managing / maintaining the number / the use of something is replacing that something -> an example of managing the use of a resource is replacing that resource", " an example of managing the use of a resource is replacing that resource & trees are a kind of natural resource -> an example of managing the use of trees is replacing trees", " an example of managing the use of trees is replacing trees & a tree can be replaced by planting a new tree each time one is cut down -> an example of managing the use of trees is planting a new tree each time one is cut down", " " ]

[ "an example of managing / maintaining the number / the use of something is replacing that something & resources must be managed -> an example of managing the number of a resource is replacing that resource", " trees are a kind of resource & a forest contains lots of plants / trees -> trees are a kind of resource in a forest", " an example of managing the number of a resource is replacing that resource & trees are a kind of resource in a forest -> an example of managing the number of trees in a forest is replacing those trees", " an example of managing the number of trees in a forest is replacing those trees & a tree can be replaced by planting a new tree each time one is cut down -> an example of managing the number of trees in a forest is replacing trees by planting a new tree each time one is cut down", " an example of managing the number of trees in a forest is replacing trees by planting a new tree each time one is cut down & timber companies cut down trees -> timber companies can manage the number of trees in a forest by planting trees to replace what they cut down", " " ]

[ "if something is required to create something else then that something is needed to make that something else & creating paper requires cutting down trees -> cut trees are needed to make paper", " cut trees are needed to make paper & trees are a kind of resource -> cut trees are a kind of resource that are needed to make paper", " cut trees are a kind of resource that are needed to make paper & recycling reduces the resources needed to make something -> recycling paper reduces the amount of trees that need to be cut", " recycling paper reduces the amount of trees that need to be cut & fewer means a reduced amount -> recycling paper causes fewer trees to be cut", " cutting down trees has a negative impact on an ecosystem / organisms living in an ecosystem & decreasing something negative has a positive impact on a thing -> decreasing the amount of trees cut has a postive impact on an ecosystem", " decreasing the amount of trees cut has a postive impact on an ecosystem & fewer means a decreased amount -> cutting fewer trees has a positive impact on the environment", " recycling paper causes fewer trees to be cut & cutting fewer trees has a positive impact on the environment -> recycling paper has a positive impact on an ecosystem by causing fewer trees to be cut", " recycling paper has a positive impact on an ecosystem by causing fewer trees to be cut & an impact is a kind of effect -> a positive effect of recycling paper is that it causes fewer trees to be cut", " " ]

[ "if something is required to create something else then that something is needed to make that something else & creating paper requires cutting down trees -> cut trees are needed to make paper", " cut trees are needed to make paper & trees are a kind of natural resource -> cut trees are a kind of resource that is needed to make paper", " cut trees are a kind of resource that is needed to make paper & recycling reduces the resources needed to make something -> recycling paper reduces the cutting of trees", " " ]

[ "as the deforestation increases , the soil fertility will decrease & topsoil is a kind of soil -> as the deforestation increases, the topsoil fertility will decrease", " " ]

[ "clearing forests means cutting down a large amount of trees in a forest & cutting down trees in a forest causes the number of trees to decrease in that forest -> clearing a forest causes the number of trees to greatly decrease in that forest", " clearing a forest causes the number of trees to greatly decrease in that forest & deforestation is when the number of trees / organisms in a forest decreases -> clearing a forest causes deforestation to increase", " clearing a forest causes deforestation to increase & as the deforestation increases , the soil erosion will increase -> clearing a forest causes increased soil erosion", " " ]

[ "a lot means large in amount / quantity & a forest contains lots of plants / trees -> a forest contains a large amount of trees", " a forest contains a large amount of trees & a tree contains wood -> a forest contains a large amount of wood", " if something contains something else then that something else is a part of that something & if something is a part of something then that something can be found in that something -> if something contains something else then that something else can be found in that something", " a forest contains a large amount of wood & if something contains something else then that something else can be found in that something -> large amounts of wood can be found in a forest", " large amounts of wood can be found in a forest & wood is a kind of resource -> wood is a kind of resource that can be found in large amounts in a forest", " " ]

[ "water is a kind of natural resource & water is a part of an environment -> water is a kind of natural resource from an environment", " animals / living things require water for survival & if a living thing requires something for survival then that living thing depends on that something -> animals / living things depend on water", " animals / living things depend on water & a human is a kind of animal -> humans depend on water", " water is a kind of natural resource from an environment & humans depend on water -> water is a kind of natural resource from the environment that humans depend on", " " ]

[ "pumping is a kind of method for transporting water & a well is a vehicle for removing water from an aquifer -> pumping from wells is a kind of method for removing water from aquifers", " pumping from wells is a kind of method for removing water from aquifers & if too much water is removed from a location then the water may become used up -> if too much water is pumped from a well then the water in that aquifer may become used up", " if too much water is pumped from a well then the water in that aquifer may become used up & excessive means too much in quantity -> excessive pumping from wells may cause the water in that aquifer to become used up", " " ]

[ "water is in the solid state , called ice , for temperatures between 0 / -459 / -273 and 273 / 32 / 0 k / f / c & a glacier is made of ice -> a glacier is made of water in a solid state", " oceans contain liquid water & water is in the liquid state , called liquid water , for temperatures between 273 / 32 / 0 and 373 / 212 / 100 k / f / c -> oceans contain water in a liquid state", " a glacier is made of water in a solid state & oceans contain water in a liquid state -> a glacier is made of water in a solid state and an ocean contains water in a liquid state", " a glacier is made of water in a solid state and an ocean contains water in a liquid state & a state of something is a form of something -> a glacier is made of water in a solid form and an ocean contains water in a liquid form", " " ]

[ "irrigation causes water levels to decrease & as the amount of water in a body of water decreases , the water levels will decrease -> irrigation causes the amount of water in a body of water to decrease", " irrigation causes the amount of water in a body of water to decrease & a lake is a kind of body of water -> irrigation can cause the amount of water in a lake to decrease", " the volume of a substance describes the amount of that substance & matter is a kind of substance -> the volume of matter describes the amount of that matter", " the volume of matter describes the amount of that matter & volume is a property of matter -> volume is a property of matter that describes the amount of that matter", " a body of water contains water & a lake is a kind of body of water -> a lake contains water", " a lake contains water & water is a kind of matter -> water in a lake is a kind of matter", " volume is a property of matter that describes the amount of that matter & water in a lake is a kind of matter -> the volume of a lake describes the amount of water in that lake", " irrigation can cause the amount of water in a lake to decrease & the volume of a lake describes the amount of water in that lake -> irrigation can cause the volume of a lake to decrease", " " ]

[ "living thing is a kind of organism & as a population of organisms increases , the resources used by those organisms will decrease -> as a population of living things increases, the resources used by those living things will decrease", " as a population of living things increases, the resources used by those living things will decrease & living things require water for survival & water is a kind of natural resource -> as a population of living things increases, the water used by those living things will decrease", " as a population of living things increases, the water used by those living things will decrease & if the amount of something decreases then that something might be depleted -> as a population of a living thing increases the water used by those living things might be depleted", " a desert environment is low in availability of water / availability of food & if a resource is low in availability then it is more likely to be depleted -> water is more likely to be depleted in a desert environment", " as a population of a living thing increases the water used by those living things might be depleted & water is more likely to be depleted in a desert environment -> increased populations are likely to cause water to be depleted in a desert environment", " " ]

[ "an example of managing the use of something is using less of that something & resources must be managed -> an example of managing the use of a resource is useing less of that resource", " an example of managing the use of a resource is useing less of that resource & water is a kind of natural resource -> an example of managing the use of water is using less water", " an example of managing the use of water is using less water & an example of using less water is turning off the faucet when brushing teeth -> an example of managing the use of water is turning off the faucet when brushing teeth", " " ]

[ "if a resource is not replaced then the resource has low availability & groundwater is a nonrenewable resource -> if groundwater if not replaced then groundwater will have low availability", " ground water is a kind of water & a desert environment is low in availability of water / availability of food -> a desert environment is low in availability of groundwater", " if groundwater if not replaced then groundwater will have low availability & a desert environment is low in availability of groundwater -> if groundwater is not replaced in an environment then that environment will become a desert", " groundwater is a kind of water & groundwater is located under ground / underground -> groundwater is a kind of water that is located underground", " if groundwater is not replaced in an environment then that environment will become a desert & groundwater is a kind of water that is located underground -> if water from underground is not replaced in an environment then that environment will become a desert", " " ]

[ "glaciers are a kind of major reservoir & a water reservoir stores water -> glaciers are a kind of water reservoir", " glaciers are a kind of water reservoir & glaciers are a source of freshwater -> glaciers are a kind of freshwater reservoir", " glaciers are a kind of freshwater reservoir & antarctic polar ice contains glaciers -> antarctic polar ice is a kind of freshwater reservoir", " " ]

[ "a rainforest is a kind of forest & cutting down trees in a forest causes the number of trees to decrease in that forest -> cutting down trees in a rainforest causes the number of trees to decrease in that rainforest", " cutting down trees in a rainforest causes the number of trees to decrease in that rainforest & a decrease of something is a kind of change -> cutting down trees in a rainforest changes that rainforest", " rainforests contain many species0 & a rainforest is a kind of forest -> a rain forest is a kind of environment", " cutting down trees in a rainforest changes that rainforest & a rain forest is a kind of environment & humans changing an environment sometimes causes that environment to be destroyed -> humans cutting down trees in a rainforest can cause that rainforest to be destroyed", " humans cutting down trees in a rainforest can cause that rainforest to be destroyed & rainforests contain many species1 -> humans cutting down trees in a rainforest causes harm to that rainforest", " humans cutting down trees in a rainforest causes harm to that rainforest & harming an environment causes harm to the living things / to the organisms in that environment -> humans cutting down trees in a rainforest causes harm to the organisms in that rainforest", " rainforests contain many species & species means a group of a certain kind of organism -> rainforests contain many kinds of organisms", " humans cutting down trees in a rainforest causes harm to the organisms in that rainforest & rainforests contain many kinds of organisms -> humans cutting down trees in a rainforest causes harm to many kinds of organisms", " humans cutting down trees in a rainforest causes harm to many kinds of organisms & organisms are a part of an environment -> humans cutting down trees in a rainforest causes harm to much of the environment", " humans cutting down trees in a rainforest causes harm to much of the environment & to cut down a rainforest means to cut down trees in a rainforest -> humans cutting down a rainforest causes harm to much of the environment", " " ]

[ "cutting down trees has a negative impact on an ecosystem / organisms living in an ecosystem & logging is when humans cut down trees / forests for wood -> logging has a negative impact on the ecosystem", " logging has a negative impact on the ecosystem & surface mining has a negative impact on the lithosphere / the biosphere / the ecosystem -> surface mining and logging have negative impacts on the ecosystem", " killing means harming something causing death & harming an animal species has a negative impact on the population size of that species -> killing an animal has a negative impact on that animal's population", " killing an animal has a negative impact on that animal's population & cutting down trees has a negative impact on an ecosystem / organisms living in an ecosystem0 -> hunting has a negative impact on animal populations", " an animal is a kind of organism & organisms are a part of an environment -> animals are a part of the environment", " animals are a part of the environment & ecosystem can mean environment -> animals are a part of the ecosystem", " hunting has a negative impact on animal populations & animals are a part of the ecosystem -> hunting has a negative impact on the ecosystem", " surface mining and logging have negative impacts on the ecosystem & hunting has a negative impact on the ecosystem -> surface mining and logging and hunting have negative impacts on the ecosystem", " surface mining and logging and hunting have negative impacts on the ecosystem & cutting down trees has a negative impact on an ecosystem / organisms living in an ecosystem1 -> limiting mining and logging and hunting has a positive impact on the ecosystem", " limiting mining and logging and hunting has a positive impact on the ecosystem & national parks limit mining / logging / hunting -> national parks have a positive impact on the ecosystem by limiting mining and logging and hunting", " " ]

[ "eating food that contains pesticides can have a negative impact on the health of an animal & a crop is a kind of food -> eating crops that contain pesticides can have a negative impact on the health of an animal", " eating crops that contain pesticides can have a negative impact on the health of an animal & a human is a kind of animal -> eating crops that contain pesticides can have a negative impact on the health of a human", " " ]

[ "sexual reproduction produces offspring with genetic material from both parents & a crop of corn plants is genetically modified to produce a natural pesticide & corn plants reproduce through sexual reproduction -> sexual reproduction between genetically modified corn plants produces offspring with genetic material that produces a natural pesticide", " if something required for a process is not produced then that process is prevented from occurring / cannot occur & reproduction of the plants often requires pollen -> if pollen is not produced then plant reproduction is prevented from occuring", " if pollen is not produced then plant reproduction is prevented from occuring & corn is a kind of plant -> if the corn does not produce pollen, then the corn reproduction is prevented from occuring", " sexual reproduction between genetically modified corn plants produces offspring with genetic material that produces a natural pesticide & if the corn does not produce pollen, then the corn reproduction is prevented from occuring -> if pollen is not produced then genetically modified corn plants will be prevented from producing offspring with their genetic material", " " ]

[ "feeders attract animals to a location & a road is a kind of location -> feeders by a road may attract animals to a road", " feeders by a road may attract animals to a road & attracting something to a location causes that something to be near that location & a road is a kind of location -> feeders by a road may cause animals to be near a road", " feeders by a road may cause animals to be near a road & if an animal is near a road then that animal might be killed by a car -> feeders by a road may cause animals to be killed by a car", " a deer is a kind of animal0 & killing means harming something causing death -> killing something has a negative effect on that something", " protecting a living thing has a positive impact on that living thing 's survival / health & negative impact is the opposite of positive impact -> if something has a negative impact on a living thing then that something is not protecting that living thing", " killing something has a negative effect on that something & if something has a negative impact on a living thing then that something is not protecting that living thing -> if something kills a living thing then that something is not protecting that living thing", " if something kills a living thing then that something is not protecting that living thing & an animal is a kind of living thing -> if something kills an animal then that something is not protecting that animal", " feeders by a road may cause animals to be killed by a car & if something kills an animal then that something is not protecting that animal -> feeders by a road do not protect animals", " feeders by a road do not protect animals & a deer is a kind of animal -> feeders by a road do not protect deer", " " ]

[ "plankton live in bodies of water & a bay is a kind of body of water -> some plankton live in bays", " some plankton live in bays & a factory dumped mercury into a bay -> mercury is dumped into a bay with plankton", " mercury is dumped into a bay with plankton & microorganisms change mercury in a bay into a form that plankton can use -> mercury is changed into a form that plankton can use in a bay with plankton", " an element is a kind of material & mercury is a kind of element -> mercury is a kind of material", " in the food chain process some types of plankton have the role of producer & producers pass materials they use through the food chain -> plankton pass materials they use through the food chain", " mercury is changed into a form that plankton can use in a bay with plankton & mercury is a kind of material & plankton pass materials they use through the food chain -> mercury is passed through the food chain", " " ]

[ "a plant is a kind of organism & crops are a kind of edible plant for eating -> a crop is a kind of organism", " a organisms require water for survival / to grow & water is a kind of natural resource -> water is a kind of natural resource that organisms require to survive", " water is a kind of natural resource that organisms require to survive & when available resources decrease in an environment , organisms have to conserve those resources -> when water decreases in an environment, organisms have to conserve water to survive", " when water decreases in an environment, organisms have to conserve water to survive & drought is when available water decreases in an environment -> organisms have to conserve water to survive in a drought", " a crop is a kind of organism & organisms have to conserve water to survive in a drought & if a crop requires less water then that crop will survive in a drought -> crops that survive in droughts can conserve water", " crops that survive in droughts can conserve water & planting crops is a kind of activity -> planting crops that survive in droughts is a kind of activity that conserves water", " " ]

[ "a light bulb is a kind of tool for seeing in the dark & as the time a tool lasts increases , the number of tools discarded will decrease -> as the time a lightbulb lasts increases, the number of lightbulbs discarded will decrease", " to dispose of something can mean to discard something & humans move waste to a landfill for disposal / storage -> humans discard waste in a landfill", " humans discard waste in a landfill & landfills have a negative impact on the environment -> humans discarding waste in a landfill has a negative impact on the environment", " humans discarding waste in a landfill has a negative impact on the environment & a light bulb is a kind of tool for seeing in the dark0 -> humans discarding objects in a landfill has a negative impact on the environment", " humans discarding objects in a landfill has a negative impact on the environment & decreasing something negative has a positive impact on a thing -> decreasing the number of objects discarded in landfills by humans has a positive impact on the environment", " decreasing the number of objects discarded in landfills by humans has a positive impact on the environment & a light bulb is a kind of object -> decreasing the number of light bulbs discarded in landfills by humans has a positive impact on the environment", " as the time a lightbulb lasts increases, the number of lightbulbs discarded will decrease & decreasing the number of light bulbs discarded in landfills by humans has a positive impact on the environment -> increasing the time that a lightbulb lasts has a positive impact on the environment by decreasing the number of light bulbs discarded in landfills", " if an object is discarded in a landfill then that object is trash & a light bulb is a kind of object -> if a light bulb is discarded in a landfill then that lightbulb is trash", " increasing the time that a lightbulb lasts has a positive impact on the environment by decreasing the number of light bulbs discarded in landfills & if a light bulb is discarded in a landfill then that lightbulb is trash -> increasing the time that a lightbulb lasts has a positive impact on the environment by decreasing the amount of trash discarded in landfills", " increasing the time that a lightbulb lasts has a positive impact on the environment by decreasing the amount of trash discarded in landfills & something that has a positive impact on something else is a kind of benefit -> a benefit of increasing the time that a lightbulb lasts is decrease in the amount of trash discarded in landfills", " " ]

[ "as a system / device grows old , the amount of energy will used by the system / device will increase & energy is used for heating a building by a heating system -> as a heating system grows old, the amount of energy used by that heating system will increase", " as a heating system grows old, the amount of energy used by that heating system will increase & old is the opposite of new -> if a heating system is newer then the amount of energy used by that heating system will decrease", " something positive is desirable & using less of a resource has a positive impact on the resource -> using less of a resource has a desirable impact on the resource", " using less of a resource has a desirable impact on the resource & an impact is a kind of result -> using less of a resource is a kind of desirable result for that resource", " using less of a resource is a kind of desirable result for that resource & to use less of something means decreasing the use of something -> decreasing the use of a resource is a kind of desirable result for that resource", " decreasing the use of a resource is a kind of desirable result for that resource & energy is a kind of resource -> decreasing the use of energy is a kind of desirable result for an energy resource", " if a heating system is newer then the amount of energy used by that heating system will decrease & decreasing the use of energy is a kind of desirable result for an energy resource & a heating system is a kind of energy resource -> a desirable result of a new heating system is decreasing the amount of energy used", " " ]

[ "recyclable means a material can be recycled / reused many times & aluminum is recyclable -> aluminum can be recycled", " " ]

[ "heat means temperature increase & the greenhouse effect is when carbon in the air heats a planet 's atmosphere -> carbon in the air causes the temperature of a planet's atmosphere to increase", " carbon in the air causes the temperature of a planet's atmosphere to increase & if something causes something else to increase, then increasing that something will cause that something else to increase -> as the amount of carbon in the air increases, the temperature of the planet's atmosphere will increase", " as the amount of carbon in the air increases, the temperature of the planet's atmosphere will increase & the atmosphere is made of air -> as the amount of carbon in the atmosphere increases, the temperature of the planet's atmosphere will increase", " as the amount of carbon in the atmosphere increases, the temperature of the planet's atmosphere will increase & carbon dioxide contains carbon -> as the amount of carbon dioxide in the atmosphere increases , the temperature of the planet / the atmosphere will increase", " as the amount of carbon dioxide in the atmosphere increases , the temperature of the planet / the atmosphere will increase & warmer means greater / higher in temperature / warmth -> as the amount of carbon in the atmosphere increases, the temperature of the planet's atmosphere will become warmer", " climate is the usual kind of weather in a location over a period of time & temperature is a property of weather -> temperature is a property of climate", " as the amount of carbon in the atmosphere increases, the temperature of the planet's atmosphere will become warmer & temperature is a property of climate -> as the amount of carbon in the atmosphere increases, the planet's climate will become warmer", " " ]

[ "the greenhouse effect is when carbon in the air heats a planet 's atmosphere & heat means increase in temperature -> carbon in the air causes the temperature of the planet's atmosphere to increase", " carbon in the air causes the temperature of the planet's atmosphere to increase & if something causes something else to increase then increasing that something will cause that something else to increase -> as the amount of carbon in the air increases, the temperature of the planet's atmosphere will increase", " as the amount of carbon in the air increases, the temperature of the planet's atmosphere will increase & the atmosphere is made of air -> as the amount of carbon in the atmosphere increases, the temperature of the planet's atmosphere will increase", " as the amount of carbon in the atmosphere increases, the temperature of the planet's atmosphere will increase & carbon dioxide contains carbon -> as the amount of carbon dioxide in the atmosphere increases , the temperature of the planet / the atmosphere will increase", " as the amount of carbon dioxide in the atmosphere increases , the temperature of the planet / the atmosphere will increase & warmer means greater / higher in temperature / warmth -> as the amount of carbon dioxide in the air increases, the temperature of the planet's atmosphere will become warmer", " temperature is a property of weather & climate is the usual kind of weather in a location over a period of time -> temperature is a property of climate", " as the amount of carbon dioxide in the air increases, the temperature of the planet's atmosphere will become warmer & temperature is a property of climate -> as the amount of carbon in the atmosphere increases, the planet's climate will become warmer", " " ]

[ "if the atmospheric temperature rises then the glaciers will melt & the atmosphere is the air around the entire planet -> if the temperature of the air around the entire planet rises then the glaciers will melt", " global warming is when worldwide temperature increases & worldwide refers to something that covers the entire planet -> global warming is when the temperature of the entire planet increases", " if the temperature of the air around the entire planet rises then the glaciers will melt & global warming is when the temperature of the entire planet increases -> global warming causes glaciers to melt", " global warming causes glaciers to melt & amount of water in a body of water increases by storms / rain / glaciers melting / snow melting / ice melting -> global warming causes the amount of water in bodies of water to increase", " global warming causes the amount of water in bodies of water to increase & as the amount of water in a body of water increases , the water levels will rise / increase especially at the edge of that body of water -> global warming causes water levels to rise", " a shore is the land found at the edge of a body of water & as the level of water rises , the amount of available land will decrease -> as the level of water rises, the amount of available shore land will decrease", " global warming causes water levels to rise & as the level of water rises, the amount of available shore land will decrease -> global warming causes the amount of available shore land to decrease", " global warming causes the amount of available shore land to decrease & loss of something means a decrease of something -> global warming causes loss of shore land", " " ]

[ "oil is a source of gasoline & oil is a kind of fossil fuel -> gasoline is kind of fossil fuel", " gasoline is kind of fossil fuel & gases released during the use of fossil fuels causes global warming -> gasses released during the use of gasoline causes global warming", " " ]

[ "amount of water in a body of water increases by ice caps melting & as the amount of water in a body of water increases , the water levels will rise / increase especially at the edge of that body of water -> ice caps melting causes the water levels of bodies of water to rise", " ice caps melting causes the water levels of bodies of water to rise & an ocean is a kind of body of water -> ice caps melting causes ocean water levels to rise", " " ]

[ "a wooded area is a kind of forest & a forest is a kind of environment -> a wooded area is a kind of environment", " a wooded area is a kind of environment & humans changing an environment sometimes causes that environment to be destroyed -> humans changing a wooded area causes that wooded area to be destroyed", " humans changing a wooded area causes that wooded area to be destroyed & clearing an area is a kind of method for changing an area -> clearing a wooded area causes that wooded area to be destroyed", " an animal requires a habitat for survival & a tree is a kind of habitat -> a tree is a kind of animal habitat", " a tree is a kind of animal habitat & a wooded area contains lots of trees -> a wooded area contains lots of animal habitats", " clearing a wooded area causes that wooded area to be destroyed & a wooded area contains lots of animal habitats -> clearing a wooded area causes animal habitats to be destroyed", " " ]

[ "cutting down trees in a forest causes the number of trees to decrease in that forest & a tree is a source of shelter / food for birds / animals in an ecosystem -> cutting down trees in a forest causes the shelter for birds in that forest to decrease", " " ]

[ "cutting down trees in a forest causes the number of trees to decrease in that forest & a tree is a kind of habitat -> cutting down trees in a forest causes the number of habitat to decrease", " cutting down trees in a forest causes the number of habitat to decrease & an animal requires a habitat for survival -> cutting down trees in a forest causes the number of habitat required by animals for survival to decrease", " " ]

[ "a beach is a kind of environment & humans moving in an environment usually causes native species to lose their habitats -> humans moving to beach usually causes native species to lose their habitats", " humans moving to beach usually causes native species to lose their habitats & sea turtle is a native species to the beach -> humans moving to beach usually causes sea turtles to lose their habitats", " an animal requires a habitat for survival & a sea turtle is a kind of animal -> a sea turtle requires a habitat for survival", " humans moving to beach usually causes sea turtles to lose their habitats & a sea turtle requires a habitat for survival -> humans moving to beach causes sea tutles to lose habitats required by the sea turtles to survive", " a sea turtle is a kind of animal & if animals lose the thing they require to survive, their population will decrease -> if sea turtles lose the thing they require to survive, their population will decrease", " humans moving to beach causes sea tutles to lose habitats required by the sea turtles to survive & if sea turtles lose the thing they require to survive, their population will decrease -> humans moving to beach causes the population of sea turtles to decrease through habitats loss", " " ]

[ "humans changing ecosystems usually has a negative impact on an ecosystem / organisms living in an ecosystem & humans building homes in an ecosystem causes that ecosystem to change -> humans building homes in an ecosystem has a negative impact on an ecosystem and organisms living in the ecosystem", " humans building homes in an ecosystem has a negative impact on an ecosystem and organisms living in the ecosystem & a wetland is a kind of ecosystem -> humans building homes in a wetland has a negative impact on a wetland and organisms living in the wetland", " " ]

[ "building housing developments usually requires replacing animal habitats & if the habitat of an animal is replaced, then that animal will not be found in that place -> building housing developments will cause the animal lives in that habitat no longer to be found", " a snowshoe hare is a kind of animal & snowshoe hare lives in the field -> snowshoe hare is a kind of animal lives in the field", " building housing developments will cause the animal lives in that habitat no longer to be found & snowshoe hare is a kind of animal lives in the field & housing developments are build in a field -> building house developments causes the snowshoe hare no longer to be found in the field", " " ]

[ "pesticides can cause pollution & fertilizers are a source of pollution -> pesticides and fertilizers are source of pollution", " " ]

[ "electric cars use electricity as the main energy source & regular cars use gasoline as an energy source & electricity causes less pollution than gasoline -> electric cars will cause less pollution than regular cars", " " ]

[ "a pollutions standard is a kind of standard for reducing pollutants emitted by vehicles & many vehicles emit pollution into the air -> a pollution standard can help reduce pollutants emitted by vehicles", " a pollution standard can help reduce pollutants emitted by vehicles & a vehicle inspection is when a person examines a vehicle for pollution standards -> the insepction of vehicles to meet pollution standards can help reduce pollutants emitted by vehicles", " " ]

[ "as the use of public transportation increases , the use of automobiles decreases & bus is a kind of public transportation -> as the use of buses increases, the use of automobiles decreases", " as the use of buses increases, the use of automobiles decreases & the use of automobiles causes pollution to the environment -> as the use of buses increases, the pollution caused by using automobiles will decrease", " " ]

[ "coal is a kind of fossil fuel & oil is a kind of fossil fuel & burning fossil fuels releases sulfur dioxide into the atmosphere -> burning coal and oil releases sulfur dioxide into the atmosphere", " burning coal and oil releases sulfur dioxide into the atmosphere & sulfur dioxide is a kind of gas & sulfur dioxide dissolving in water causes acid rain -> gases from burning coal and oil dissolving in water in the atmosphere causes acid rain", " " ]

[ "gas-efficient engines uses less gasoline & using gasoline requires burning gasoline -> gas-efficient engines will burn less gasoline", " gas-efficient engines will burn less gasoline & burning gasoline is a source of air pollution -> gas-efficient engines will cause less air pollution", " gas-efficient engines will cause less air pollution & an engine is a part of an automobile -> using a gas-efficient engine in automobiles will cause less air pollution", " " ]

[ "emitting sulfur dioxide causes acid rain & sulfur scrubbers can reduce the emission of sulfur dioxide -> sulfur scrubbers can reduce the cause of acid rain", " " ]

[ "humans discarding waste in an environment causes harm to that environment & discarding is similar to throwing & garbage means waste -> humans throwing garbage in an environment causes harm to that environment", " a body of water is a kind of environment & a stream is a kind of moving body of water -> a stream is a kind of environment", " humans throwing garbage in an environment causes harm to that environment & a stream is a kind of environment -> humans throwing garbage into a stream causes harm to the stream", " " ]

[ "a frog is a kind of aquatic animal & a mountain chorus frog is a kind of frog -> a mountain chorus frog is a kind of aquatic animal", " a mountain chorus frog is a kind of aquatic animal & bodies of water are the habitats for aquatic animals -> bodies of water are the habitats for mountain chorus frogs", " bodies of water are the habitats for mountain chorus frogs & a mountain chorus frog is a kind of animal & pollutions in animals habitat can cause the population of animals to decrease -> water pollution in bodies of water can cause the population of mountain chorus frogs to decrease", " water pollution in bodies of water can cause the population of mountain chorus frogs to decrease & polluting means something poisonous is added to an environment & a body of water is a kind of environment -> poisonous things added in water can cause the population of mountain chorus frogs to decrease", " " ]

[ "oil is a kind of pollutant & water pollution is when humans pollute the environment with pollutants -> an example of water pollution is when humans pollute the environment with oil", " an example of water pollution is when humans pollute the environment with oil & offshore oil platforms might cause oil to leak into the water & water is a part of an environment -> offshore oil platforms might cause water pollution by leaking oil into the water", " " ]

[ "a lawn is a piece of land covered with grass & lori uses fertilizer on her lawn & if fertilizer is used on a land, then the runoff from that land will contain fertilizer -> the runoff from the lawn will contain fertilizer", " the runoff from the lawn will contain fertilizer & a lake is a kind of body of water & runoff flows across land and ends in bodies of water -> the runoff from the lawn containing fertilizer can flow and end in the lake", " a lake is a kind of body of water & algae is found in bodies of water -> algae can be found in lake", " the runoff from the lawn containing fertilizer can flow and end in the lake & algae can be found in lake & fertilizers have a positive impact on algae growth -> the population of algae in the lake will increase because of the fertilizer in the runoff", " " ]

[ "phytoplankton is a kind of plant & phytoplanktons are found in bodies of water & an ocean is a kind of body of water -> phytoplanktons are plants that can be found in the ocean", " algae is found in bodies of water & algae is a kind of plant & an ocean is a kind of body of water -> algae is a plant that can be found in the ocean", " phytoplanktons are plants that can be found in the ocean & algae is a plant that can be found in the ocean -> phytoplanktons and algae are plants that can be found in the ocean", " phytoplanktons and algae are plants that can be found in the ocean & plants are a source of oxygen through photosynthesis -> phytoplanktons and algae are source of oxygen in the ocean", " phytoplanktons and algae are source of oxygen in the ocean & ocean pollution can decrease the number of phytoplanktons and algae -> ocean pollution can decrease the source of oxygen in the ocean", " ocean pollution can decrease the source of oxygen in the ocean & as the amount of a source of something decreases , the amount of that something will decrease -> ocean pollution can cause the amount of oxygen to decrease in the ocean", " " ]

[ "tuna eat fish & if an animal eats other animals for food , then the animal is the predator -> tuna is a kind of predator", " tuna is a kind of predator & tuna is a kind of fish -> tuna is a kind of predatory fish", " tuna is a kind of predatory fish & commercial harvesting from the ocean has caused populations of large predatory fish to decrease -> commercial harvesting from the ocean has caused the populations of tuna to decrease", " " ]

[ "a rhinoceros is a kind of animal & overhunting decreases animal populations -> overhunting can decrease rhinoceros populations", " overhunting can decrease rhinoceros populations & decreasing in population will cause the population to be low & endangered means low in population -> overhunting can cause the rhinoceros to be endangered", " " ]

[ "killing a living thing decreases the population of that living thing & hunting is when a human kills an animal for food / recreation in the wild & an animal is a kind of living thing -> hunting / overhunting decreases animal populations", " hunting / overhunting decreases animal populations & an animal is a kind of organism & if a population decreases to zero then that organism is extinct -> if hunting decreases the animal population to zero, then that animal is extinct", " " ]

[ "an organism becoming extinct causes a change in the organism 's food web & a change in a food web can cause damage to an ecosystem -> extinctions of organisms can cause damage to an ecosystem by changing the food web", " " ]

[ "aluminum is recyclable & recyclable means a material can be recycled / reused many times -> aluminum can be recycled", " aluminum can be recycled & recycling decreases the amount of waste sent to landfills -> recycling aluminum can decrease the amount of waste sent to landfills", " " ]

[ "aluminum cans are made of aluminum & aluminum is recyclable -> aluminum cans are recyclable", " aluminum cans are recyclable & recyclable means a material can be recycled / reused many times -> aluminum cans can be recyled many times", " aluminum cans can be recyled many times & an aluminum can is a kind of object & an example of recycling is using an object to make a new object -> using aluminum cans to make a new object is an example of recycling", " " ]

[ "aluminum is recyclable & an aluminum can is made of aluminum -> an aluminum can is recyclable", " " ]

[ "metal is a kind of natural resource & aluminum is a kind of metal -> aluminum is a kind of natural resource", " aluminum is a kind of natural resource & aluminum cans are made of aluminum -> aluminum cans are made of a natural resource", " aluminum cans are made of a natural resource & recycling resources has a positive impact on the conservation of those resources -> recycling aluminum cans has a positive impact on the conservation of those resources", " " ]

[ "trash is similar to waste & recycling decreases the amount of waste sent to landfills -> recycling decreases the amount of trash sent to landfills", " " ]

[ "aluminum is a kind of material & aluminum is recyclable -> aluminum is a kind of material that is recyclable", " aluminum is a kind of material that is recyclable & recyclable means a material can be recycled many times -> aluminum can be recycled many times", " aluminum can be recycled many times & aluminum is a nonrenewable resource -> aluminum is a nonrenewable resource that can be recycled many times", " aluminum is a nonrenewable resource that can be recycled many times & recycling nonrenewable resources has a positive impact on the environment -> recycling aluminum has a positive impact on the environment", " recycling aluminum has a positive impact on the environment & recycling is a kind of method of disposal -> recycling aluminum is the best way to dispose aluminum", " " ]