Answer:
D provide important services
Answer:
Ghrelin (I hope this helps!!)
Explanation:
No I don't think so because his or her peers could "cheat" meaning that they could lie and get him out of trouble. Another reason why they shouldn't is because if some of his or her peers didn't like he or she they could make it so that he or she would for sure get in trouble.
Fixed schedules and reinforced behavior is used for discipline and order
