Approximately what percentage of the energy used to support our current lifestyle comes from fossil fuels?
A) 50%
B) 35%
C) 15%
D) over 85%
Correct Answer:
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Q23: The second law of thermodynamics defines
A)entropy.
B)energy.
C)heat.
D)temperature.
Q24: Which of the following does NOT result
Q25: Which of the following will have the
Q26: _ is the measure of the dispersal
Q27: Which of the following is NOT a
Q29: The fact that a refrigerator requires energy
Q30: In any conversion of energy from one
Q31: Perhaps the first mechanical device used to
Q32: The fact that a heat pump requires
Q33: The first fuel was
A)coal.
B)petroleum.
C)blubber.
D)wood.
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