Answer:Feedback is essential in communication so as to know whether the recipient has understood the message in the same terms as intended by the sender and whether he agrees to that message or not.
Explanation:
D . None of above everyday lifestyle choices affect your physical fitness
I think the answer to that question would have to be a because its the most reasonable
Fear of children. Ped/o means child so any medical term with that in it has to do with kids.
The biggest role would be the Brain.