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Q514
how do you know if a volcano is extinct
Volcano
Erupting volcanoes can pose many hazards, not only in the immediate vicinity of the eruption.
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Q514
how do you know if a volcano is extinct
Volcano
Volcanic ash can be a threat to aircraft, in particular those with jet engines where ash particles can be melted by the high operating temperature.
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Q514
how do you know if a volcano is extinct
Volcano
Large eruptions can affect temperature as ash and droplets of sulfuric acid obscure the sun and cool the Earth's lower atmosphere or troposphere ; however, they also absorb heat radiated up from the Earth, thereby warming the stratosphere .
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Q514
how do you know if a volcano is extinct
Volcano
Historically, so-called volcanic winters have caused catastrophic famines .
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Q515
How is the pothole formed
Pothole
A deep pothole on New York City's Second Avenue
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Q515
How is the pothole formed
Pothole
A pothole (sometimes called a kettle and known in parts of the Western United States as a chuckhole) is a type of disruption in the surface of a roadway where a portion of the road material has broken away, leaving a hole.
11
Q516
how much more time does chemo give to people with renal cancer
Renal cell carcinoma
Renal cell carcinoma (RCC, also known as hypernephroma) is a kidney cancer that originates in the lining of the proximal convoluted tubule , the very small tubes in the kidney that transport GF (glomerular filtrate) from the glomerulus to the descending limb of the nephron.
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Q516
how much more time does chemo give to people with renal cancer
Renal cell carcinoma
RCC is the most common type of kidney cancer in adults, responsible for approximately 80% of cases.
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Q516
how much more time does chemo give to people with renal cancer
Renal cell carcinoma
It is also known to be the most lethal of all the genitourinary tumors.
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Q516
how much more time does chemo give to people with renal cancer
Renal cell carcinoma
Initial treatment is most commonly a radical or partial nephrectomy and remains the mainstay of curative treatment.
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Q516
how much more time does chemo give to people with renal cancer
Renal cell carcinoma
Where the tumor is confined to the renal parenchyma, the 5-year survival rate is 60-70%, but this is lowered considerably where metastases have spread.
11
Q516
how much more time does chemo give to people with renal cancer
Renal cell carcinoma
It is relatively resistant to radiation therapy and chemotherapy , although some cases respond to immunotherapy .
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Q516
how much more time does chemo give to people with renal cancer
Renal cell carcinoma
Targeted cancer therapies such as sunitinib , temsirolimus , bevacizumab , interferon-alpha, and sorafenib have improved the outlook for RCC.
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Q518
what does peritoneal cavity hold
Peritoneum
The peritoneum () is the serous membrane that forms the lining of the abdominal cavity or the coelom —it covers most of the intra-abdominal (or coelomic) organs—in amniotes and some invertebrates ( annelids , for instance).
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Q518
what does peritoneal cavity hold
Peritoneum
It is composed of a layer of mesothelium supported by a thin layer of connective tissue .
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Q518
what does peritoneal cavity hold
Peritoneum
The peritoneum both supports the abdominal organs and serves as a conduit for their blood and lymph vessels and nerves .
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Q518
what does peritoneal cavity hold
Peritoneum
The abdominal cavity (the space bounded by the vertebrae , abdominal muscles , diaphragm and pelvic floor ) should not be confused with the intraperitoneal space (located within the abdominal cavity, but wrapped in peritoneum).
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Q518
what does peritoneal cavity hold
Peritoneum
The structures within the intraperitoneal space are called "intraperitoneal" (e.g. the stomach ), the structures in the abdominal cavity that are located behind the intraperitoneal space are called " retroperitoneal " (e.g. the kidneys ), and those structures below the intraperitoneal space are called "subperitoneal" or "infraperitoneal" (e.g. the bladder ).
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Q521
how does a solid state drive work
Solid-state drive
Modern 2.5" SSD used in consumer laptops and desktop computers .
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Q521
how does a solid state drive work
Solid-state drive
DDR SDRAM based SSD.
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Q521
how does a solid state drive work
Solid-state drive
Max and .
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Q521
how does a solid state drive work
Solid-state drive
PCI attached IO Accelerator SSD
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Q521
how does a solid state drive work
Solid-state drive
PCI-E, DRAM, and NAND based SSD.
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Q521
how does a solid state drive work
Solid-state drive
It uses an external power supply to make the DRAM non-volatile.
11
Q521
how does a solid state drive work
Solid-state drive
A solid-state drive (SSD) (also known as a solid-state disk or electronic disk, though it contains no actual "disk" of any kind) is a data storage device using integrated circuit assemblies as memory to store data persistently .
11
Q521
how does a solid state drive work
Solid-state drive
SSD technology uses electronic interfaces compatible with traditional block input/output (I/O) hard disk drives .
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Q521
how does a solid state drive work
Solid-state drive
SSDs have no moving mechanical components, which distinguish them from traditional electromechanical magnetic disks such as hard disk drives (HDDs) or floppy disks , which contain spinning disks and movable read/write heads .
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Q521
how does a solid state drive work
Solid-state drive
Compared with electromechanical disks, SSDs are typically less susceptible to physical shock, much quieter, have lower access time , and less latency .
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Q521
how does a solid state drive work
Solid-state drive
However, while the price of SSDs has continued to decline in 2012, SSDs are still about 7 to 8 times more expensive per unit of storage than HDDs.
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Q521
how does a solid state drive work
Solid-state drive
Many SSDs use I/O interfaces developed for hard disk drives, thus permitting simple replacement in common applications.
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Q521
how does a solid state drive work
Solid-state drive
, most SSDs use NAND-based flash memory , which retains data without power .
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Q521
how does a solid state drive work
Solid-state drive
For applications requiring fast access, but not necessarily data persistence after power loss, SSDs may be constructed from random-access memory (RAM).
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Q521
how does a solid state drive work
Solid-state drive
Such devices may employ separate power sources, such as batteries, to maintain data after power loss.
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Q521
how does a solid state drive work
Solid-state drive
Hybrid drives or solid state hybrid drives (SSHD) combine the features of SSDs and HDDs in the same unit, containing a large hard disk drive and an SSD cache to improve performance of frequently accessed data.
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Q521
how does a solid state drive work
Solid-state drive
These devices may offer near-SSD performance for many applications.
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Q522
how do they harvest caviar?
Caviar
Salmon roe (left) and sturgeon caviar (right) served with mother of pearl caviar spoons to avoid tainting the taste of the caviar.
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Q522
how do they harvest caviar?
Caviar
Ossetra caviar, salmon creme fraiche, potato shallot croquette, basil oil, egg whites and yolks
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Q522
how do they harvest caviar?
Caviar
Caviar, according to the Food and Agriculture Organization , is a product made from salt-cured fish-eggs of the Acipenseridae family.
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Q522
how do they harvest caviar?
Caviar
The roe can be "fresh" (non-pasteurized) or pasteurized , with pasteurization reducing its culinary and economic value.
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Q522
how do they harvest caviar?
Caviar
Traditionally the term caviar refers only to roe from wild sturgeon in the Caspian and Black Seas (Beluga, Ossetra and Sevruga caviars).
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Q522
how do they harvest caviar?
Caviar
Depending on the country, caviar may also be used to describe the roe of other fish such as salmon, steelhead, trout, lumpfish, whitefish, and other species of sturgeon.
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Q522
how do they harvest caviar?
Caviar
Caviar is considered a luxury delicacy and is eaten as a garnish or a spread.
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Q522
how do they harvest caviar?
Caviar
In 2012, caviar sold for $2,500 per pound, or $3,000 to $5,500 per kilo.
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Q524
what channel is sec network?
SEC Network
The SEC Network is a television syndication network featuring live broadcasts of college football and basketball events from the Southeastern Conference .
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Q524
what channel is sec network?
SEC Network
It is owned and operated by ESPN Plus and is shown in more than 50 percent of households in the United States, mostly Southeastern United States markets.
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Q524
what channel is sec network?
SEC Network
The SEC Network typically airs in the noon eastern slot that was former home to the Raycom Sports SEC game of the week.
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Q524
what channel is sec network?
SEC Network
Games are shown locally on broadcast stations, regional sports networks , as well as on ESPN GamePlan , ESPN Full Court , and ESPN3.com .
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Q524
what channel is sec network?
SEC Network
The SEC Network is also available in Canada via Atlanta 's WPCH-TV .
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Q524
what channel is sec network?
SEC Network
The SEC Network uses the same on-screen graphics currently used by ESPN on ABC , a version of ESPN 's graphics package.
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Q524
what channel is sec network?
SEC Network
SEC Network's football programming still uses a title safe area because most of its affiliates do not Letterbox their Standard Definition feeds, while ESPN's television networks have allowed their graphics to abandon the title safe, but letterbox for SD viewers.
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Q524
what channel is sec network?
SEC Network
Starting with the SEC 2012 Basketball season, SEC Network's graphics have been converted to a 16:9 Widescreen-only format.
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Q524
what channel is sec network?
SEC Network
This is also being used for the 2013 Basketball season, but had still adapted the former 4:3-safe graphics format for the 2012 SEC football season.
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Q527
what happened in the 90's
1990s
The 1990s, pronounced and also known as "the Nineteen-Nineties" or abbreviated as "the Nineties" or "the '90s", was a decade that began on January 1, 1990, and ended on December 31, 1999.
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Q527
what happened in the 90's
1990s
It was the 10th and last decade of the 20th century and the 100th and last decade of the 2nd millennium .
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Q527
what happened in the 90's
1990s
The decade is best known for the end of the Cold War at the beginning of the decade and the expansion and commercialization of the Internet during the second half of the decade.
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Q527
what happened in the 90's
1990s
In much of the West the 1990s is remembered as a period of unprecedented peace and prosperity, though many parts of the so-called Third World faced various problems including genocide , AIDS and new or continuing ethnic tensions and civil wars .
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Q527
what happened in the 90's
1990s
Culturally speaking the decade was characterized by the rise of multiculturalism and alternative media .
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Q527
what happened in the 90's
1990s
Movements such as grunge , the rave scene and hip hop spread around the world to young people during the decade, aided by then-new technology such as cable television and the Internet .
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Q527
what happened in the 90's
1990s
A combination of factors, including the mass mobilization of capital markets through neoliberalism , the beginning of the widespread proliferation of new media such as the Internet, and the dissolution of the Soviet Union led to a realignment and reconsolidation of economic and political power across the world, and within countries.
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Q527
what happened in the 90's
1990s
Income inequality among countries in the world rose sharply between the 1980s and the mid-1990s, before levelling off and then falling after 2000.
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Q527
what happened in the 90's
1990s
New ethnic conflicts emerged in Africa , the Balkans and the Caucasus , the former two which led to the Rwandan genocide and Bosnian genocide , respectively.
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Q527
what happened in the 90's
1990s
The United States began its current military occupation of the Middle East during the summer of 1990 with Desert Shield after it cut off a large portion of the world's petroleum supply.
00
Q527
what happened in the 90's
1990s
Signs of any resolution of tensions between Israel and the Arab world remained elusive, though the Irish Troubles came to a standstill in 1998 with the Good Friday Agreement after 30 years of violence.
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Q529
how long did the roman empire last
Roman Empire
The Roman Empire () was the post- Republican period of the ancient Roman civilization , characterised by an autocratic form of government and large territorial holdings around the Mediterranean in Europe , Africa , and Asia .
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Q529
how long did the roman empire last
Roman Empire
The 500-year-old Roman Republic , which preceded it, had been destabilized through a series of civil wars .
11
Q529
how long did the roman empire last
Roman Empire
Several events marked the transition from Republic to Empire, including Julius Caesar 's appointment as perpetual dictator (44 BC); the Battle of Actium ( 31 BC); and the granting of the honorific Augustus to Octavian by the Roman Senate ( 27 BC).
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Q529
how long did the roman empire last
Roman Empire
The first two centuries of the Empire were a period of unprecedented stability and prosperity known as the Pax Romana ("Roman Peace").
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Q529
how long did the roman empire last
Roman Empire
It reached its greatest expanse during the reign of Trajan (98–117 AD).
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Q529
how long did the roman empire last
Roman Empire
In the 3rd century, the Empire underwent a crisis that threatened its existence, but was reunified and stabilized under the emperors Aurelian and Diocletian .
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Q529
how long did the roman empire last
Roman Empire
Christians rose to power in the 4th century, during which time a system of dual rule was developed in the Latin West and Greek East .
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Q529
how long did the roman empire last
Roman Empire
After the collapse of central government in the West in the 5th century, the eastern half continued as what would later be known as the Byzantine Empire .
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Q529
how long did the roman empire last
Roman Empire
Because of the Empire's vast extent and long endurance, the institutions and culture of Rome had a profound and lasting influence on the development of language, religion, architecture, philosophy, law, and forms of government in the territory it governed, particularly Europe, and by means of European expansionism throughout the modern world.
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Q531
how many high schools are in the us
Education in the United States
Education in the United States is mainly provided by the public sector , with control and funding coming from three levels: local , state , and federal , in that order.
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Q531
how many high schools are in the us
Education in the United States
Child education is compulsory , and there are also a large number and wide variety of higher education institutions throughout the country that one can choose to attend, both publicly and privately administered.
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Q531
how many high schools are in the us
Education in the United States
Public education is universally available.
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Q531
how many high schools are in the us
Education in the United States
School curricula, funding, teaching, employment, and other policies are set through locally elected school boards with jurisdiction over school districts with many directives from state legislatures.
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Q531
how many high schools are in the us
Education in the United States
School districts are usually separate from other local jurisdictions, with independent officials and budgets.
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Q531
how many high schools are in the us
Education in the United States
Educational standards and standardized testing decisions are usually made by state governments.
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Q531
how many high schools are in the us
Education in the United States
The ages for compulsory education vary by state.
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Q531
how many high schools are in the us
Education in the United States
It begins from ages five to eight and ends from ages fourteen to eighteen.
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Q531
how many high schools are in the us
Education in the United States
Compulsory education requirements can generally be satisfied by educating children in public schools , state-certified private schools , or an approved home school program.
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Q531
how many high schools are in the us
Education in the United States
In most public and private schools, education is divided into three levels: elementary school , middle school (sometimes called junior high school), and high school (sometimes referred to as secondary education).
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Q531
how many high schools are in the us
Education in the United States
In almost all schools at these levels, children are divided by age groups into grades , ranging from kindergarten (followed by first grade ) for the youngest children in elementary school, up to twelfth grade , the final year of high school .
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Q531
how many high schools are in the us
Education in the United States
The exact age range of students in these grade levels varies slightly from area to area.
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Q531
how many high schools are in the us
Education in the United States
Post-secondary education , better known as " college " in the United States, is generally governed separately from the elementary and high school system, and is described in a separate section below.
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Q531
how many high schools are in the us
Education in the United States
Government supported, free public schools for all started being established after the revolution, and expanded in the 19th century, as the results of efforts of men like Horace Mann and Booker T. Washington .
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Q531
how many high schools are in the us
Education in the United States
By 1870, all states had free elementary schools, albeit only in urban centers.
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Q531
how many high schools are in the us
Education in the United States
As the 20th century drew nearer, states started passing laws to make schooling compulsory, and by 1910, 72 percent of children attended school.
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Q531
how many high schools are in the us
Education in the United States
Private schools continued to spread during this time, as well as colleges and—in the rural centers— land grant colleges .
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Q531
how many high schools are in the us
Education in the United States
The year of 1910 also saw the first true high schools.
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Q531
how many high schools are in the us
Education in the United States
During the rest of the 20th century, educational efforts centered on reducing the inequality of the schooling system.
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Q531
how many high schools are in the us
Education in the United States
The landmark Supreme Court case Brown v. Board of Education made the desegregation of elementary and high schools a national priority, while the Pell Grant program helped poor minorities gain access to college.
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Q531
how many high schools are in the us
Education in the United States
Special education was made into federal law in 1975.
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Q531
how many high schools are in the us
Education in the United States
The Elementary and Secondary Education Act of 1965 made standardized testing a requirement, and in 1983, a commission was established to evaluate their results and propose a course of action.
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Q531
how many high schools are in the us
Education in the United States
The resulting No Child Left Behind Act of 2001 was controversial and its goals proved to be unrealistic.
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Q531
how many high schools are in the us
Education in the United States
A commission established in 2006 evaluated higher education , but its recommendations have yet to be fully implemented.
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Q532
How Did Paul Bragg Die
Paul Bragg
Paul Bragg (February 6, 1895 – December 7, 1976), nutritionist , was a pioneer in America’s wellness movement.
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Q534
what creates sonic boom
Sonic boom
The sound source has now broken through the sound speed barrier, and is traveling at 1.4 times the speed of sound, (Mach 1.4).
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Q534
what creates sonic boom
Sonic boom
Since the source is moving faster (with a speed ) than the sound waves it creates, it actually leads the advancing wavefront.
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Q534
what creates sonic boom
Sonic boom
The sound source will pass by a stationary observer (with a speed ) before the observer actually hears the sound it creates.
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