Oil shale and tar sands are examples of ________ oil.
A. Unconventional
B. Unknown
C. Unrecoverable
D. Recoverable
E. Unproven
Answer: A
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Corn-based ethanol production has a number of drawbacks, including ________
A) substantial inputs of fossil fuel energy B) depletion of fresh water C) increased use of pesticides D) increased use of fertilizers E) all of the above are drawbacks of corn-based ethanol production
A derecho
A) occurs only in the Southwest. B) lasts from a few seconds to a few minutes. C) is associated with severe thunderstorms. D) has mild to moderate winds. E) does not cause property damage.
Climate change and hunger are examples of human-environment interactions
a. True b. False Indicate whether the statement is true or false
Most bathymetry measurements were made by sensors carried on ships.
Answer the following statement true (T) or false (F)