A) They are impurities that must be burned or buried.
B) They are additives that increase the octane level of gasoline.
C) They are removed from oil before the oil is refined.
D) They are used as raw materials in producing the majority of organic chemicals.
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Multiple Choice
A) Natural gas can be transported by ship in a gaseous form.
B) Shipment of liquid natural gas is safe and inexpensive.
C) Conversion of natural gas to liquid natural gas increases reduces transportation costs by ten times.
D) Explosions in urban areas near liquid natural gas loading facilities could kill people and cause much damage.
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Multiple Choice
A) Land may be severely disrupted by the use of natural gas.
B) Natural gas does not work well for transportation applications.
C) Natural gas may leak from gas pipelines.
D) Air pollution associated with the use of natural gas is worse than with other fossil fuels.
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True/False
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True/False
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Multiple Choice
A) Russia and Iran
B) Nigeria and Algeria
C) Canada and the United States
D) India and Pakistan
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Essay
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Multiple Choice
A) direct solar
B) coal
C) coal gasification
D) oil
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Multiple Choice
A) because of coal's high heat content and low carbon dioxide output
B) because of coal's great abundance and high net useful energy yield
C) because of coal's low net useful energy yield and high versatility
D) because of coal's relative abundance and low rate of pollution
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Multiple Choice
A) plutonium
B) nitrogen
C) sodium
D) water
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Multiple Choice
A) The use of a breeder reactor would not extend the supplies of uranium in the world.
B) If a breeder reactor's safety system failed, the reactor would be fine.
C) Many experimental breeder reactors are safe.
D) A breeder reactor would generate more fuel than it would consume.
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Multiple Choice
A) if the containment building develops an air leak
B) if control rods are inserted into the core
C) if the proportion of uranium-238 is too high
D) if too much coolant is lost
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Multiple Choice
A) They have fewer environmental effects than conventional oil.
B) They have lower net useful energy yield than conventional oil.
C) They are easier to extract than conventional oil.
D) They are the sources of more useful products than conventional oil.
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True/False
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