One Way of Stating the Second Law of Thermodynamics Is

One way of stating the second law of thermodynamics is:

A) although energy can be changed from one form to another, it can be neither created nor destroyed.
B) the entropy of the universe is increasing.
C) free energy is equal to the total potential energy minus the entropy.
D) enthalpy is the total potential energy of a system.
E) the activation energy of a reaction is always positive.