Well, you have to focus on the main part, all organisms need minerals (nutrients).... so, just think about the vitamins that are needed for the body....sorry if it didnt help you, i had a similar question a while ago....it helped me!
Energy is being transferred from one level to another
(please man can you give me brainly. i need one more lol)
It breaks down lactose into the galactose and glucose. So the answer here is C.