Multiple Choice
Large-scale commercial extraction of oil from oil shale and oil sand
A) will only be cost-effective at much higher oil prices.
B) is a relatively easy,low-impact method that remains to be used.
C) is an impractical source of oil that will not ever be used widely.
D) produces an oil that cannot be used to produce gasoline.
Correct Answer:
Verified
Correct Answer:
Verified
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