Question

3. The period of onset of sexual maturity​

Answer 1

Explanation:

During adolescence (usually considered age 10 to the late teens or early 20s), boys and girls reach adult height and weight and undergo sexual maturation (puberty). The timing and speed with which these changes occur vary and are affected by both heredity and environment.

Answer 2

Answer:

During adolescence (usually considered age 10 to the late teens or early 20s), boys and girls reach adult height and weight and undergo sexual maturation (puberty). The timing and speed with which these changes occur vary and are affected by both heredity and environment