They have an effect because the bigger the school the more activities you can do because you have more people.
Answer:
It presents a biological hazard, or biohazard.
Explanation:Hope this helps have an amazing day :D
Answer: im pretty sure it is D. Chlamydia
Explanation:
Genetic factors and rate of maturity I believe
Answer: he should get a check up with his doctor so he can guide him in what is good for him and how it’s best to exercise