Answer:
Finger prints, hair, body fluids( blood, saliva, semen), bone.
Explanation:
One reason is if someone is injured and needed to use pain pills, sometimes they get addicted to it
It is essential because without it plants would have no source of energy. Therefore disrupting the whole food chain.
4 mps increase in 10 seconds = 2 mps increase in 5 seconds = .4meters/2sec
