Multiple Choice
Coal, petroleum, and natural gas are considered to be fossil fuels because________ .
A) their oxygen and nitrogen content were derived from the ancient atmosphere
B) their energy content was derived from ancient sunlight
C) carbon dioxide, released when they burn, contributes to the greenhouse effect
D) coal beds and petroleum reservoir rocks contain abundant fossils
Correct Answer:
Verified
Correct Answer:
Verified
Q30: _, a rock- forming silicate mineral, is
Q31: _has the largest, current production and reserves
Q32: Which of the following statements is not
Q33: _can be replenished over relatively short time
Q35: Which of the following is not a
Q36: Vein- or fissure- filling deposits of native
Q37: _is trapped in the pore spaces of
Q38: Sedimentary and residual deposits of the mineral
Q39: _is the term for a south- facing
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