Bodies need fat to protect organs and to keep the body warm
Bodies need carbohydrates because of the glucose they contain (fuel)
Nucleic acid makes up DNA
Water helps regulate temperature
All of these are needed by the body
answered: Guest
doctors i believe if i'm wrong sorry
answered: Guest
Iam not sure but to me it with be a or dsorry if i was late! hope this ! : )if you really want me to find out the answer that is correct tell me and i will do more research but the a or d makes sense to me.