What age do girls get hair down there

What is the answer to this particular question i have in health

Which of the following statements is true about body composition? a. body composition is the percentage of fat to lean body mass. b. body composition is a measure of one's body weight. c. body composition is a measure of one's essential body fat. d. body composition is not a good indicator of overall health. select the best answer from the choices provided. a

Whihc type of medicine kills cancer cells in the body, but also kills healthy cells