Compared to a nuclear plant, a coal-fired plant
A) emits much less carbon dioxide.
B) requires much less mining and results in fewer mining deaths.
C) contributes to acid rain, and a nuclear plant does not.
D) releases more than 100 times more radioactivity because of radioactive elements in coal.
Question 2
Without regular cleanups, the tendency of a home or dorm room to become increasingly messy generally reflects
A) the Law of Conservation of Energy.
B) an increase in entropy.
C) the loss of heat in any energy conversion.
D) the conversion of kinetic energy into potential energy.
