The answer is A, intrinsic motivation comes from within and doesn't depend on an outside source.
Metabolism is the process by which your body converts what you eat and drink into energy. During this complex biochemical process, calories in food and beverages are combined with oxygen to release the energy your body needs to function so i would say that it is A but i could be wrong so good luck
A-Listening to music
C- calling a family member
D-Writing in a journal
These are for Apex.
