Definition:
A research problem is a statement about an area of concern, a condition to be improved, a difficulty to be eliminated, or a troubling question that exists in scholarly literature, in theory, or in practice that points to the need for meaningful understanding and deliberate investigation.
Answer: During Puberty
Explanation: Once puberty begins, the body starts to produce different chemicals that activate the testes to make testosterone and the ovaries to produce estrogen.
Because it can catch another germ or virus
