In chemistry, a system can be defined as a specific part of the universe, and the surroundings include everything else in the universe outside of the system.

According to the law of conservation of energy, the total amount of energy in the universe remains constant. Given these definitions, which of the following statements are true?

I. Systems absorb energy from their surroundings during endothermic processes.

II. Systems and their surroundings absorb energy during endothermic processes.

III. Systems release energy to their surroundings during exothermic processes.

IV. Systems and their surroundings release energy during exothermic processes.
A.
I, II, III, and IV
B.
II and IV only
C.
I and IV only
D.
I and III only