I would say 90% of your maximum ability, because I am athletic.
But in most scenarios, it should be c) 60%
hope this helps!! :D
Answer: Peers
Other people for example if they are smoking that can harm you by second hand smoking or persuasion for you to smoke.
Peers can also effect you emotionally by making you cry and angry.
It tends to act as a upper when it is truly a downer