Body flexibility is the correct answer:)
Number three I'm 95% sure.
Puberty. <span>While puberty involves a series of biological or physical transformations, the process can also have an effect on the psychosocial and emotional development of the adolescent. </span>
Answer: your answer is A. The quality of air and water at places where people live,work, and go to school.
Explanation: environment is a where people live together.