試題詳解

23. The second law of thermodynamics leads us to conclude that
(A) the total energy of the universe is constant.
(B) the total energy in the universe is decreasing with time.
(C) it is theoretically impossible to convert work into heat with 100% efficiency.
(D) the total energy in the universe is increasing with time.
(E) disorder in the universe is increasing with the passage of time.