A Statement of the First Law of Thermodynamics Is That

A statement of the first law of thermodynamics is that

A) in a spontaneous process,the entropy of the universe increases.
B) there is no disorder in a perfect crystal at 0 K.
C) the total energy of the universe is always decreasing.
D) the total energy of the universe is constant.
E) mass and energy are conserved in all chemical reactions.