Energy that cannot be used to do useful work is referred to as
A. potential energy.
B. enzymatic energy.
C. entropy.
D. kinetic energy.
Answer: C
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Mountain building uplifts rocks against the force of gravity raising their potential energy, which requires work by the earth system Based on the relative motion of fault blocks, what type of fault would you expect to require more energy than the others?
A) thrust
B) normal
C) strike-slip
D) There is no way of knowing.
The oceans contain about ____ carbon dioxide as the atmosphere
A) half as much B) twice as much C) 50 times as much D) one-fourth as much E) one-third as much
O2 can be produced by the reaction 2 KClO3(s) ? 2 KCl(s) + 3 O2(g). In one experiment 0.312 g of O2 were formed. How much KClO3 was decomposed?
A) 0.484 g B) 0.797 g C) 1.19 g D) 1.79 g
Why do humid tropical regions have only small variations in temperature throughout the year?
A) The canopy of trees in the rain forest shade the ground and reflect light all the time. B) The cloud cover and rain do not allow the temperatures to rise or fall significantly. C) The winds associated with these systems rapidly redistribute the heat. D) The location of this climatic region is limited to an area where the solar radiation does not vary significantly. E) The constant humidity maintains a relatively uniform temperature.