Question

What is the beginning age of adolescence?

Answer 1

Adolescence describes the teenage years between 13 and 19 and can be considered the transitional stage from childhood to adulthood. However, the physical and psychological changes that occur in adolescence can start earlier, during the preteen or "tween" years (ages 9 through 12).

Answer 2

adolescence satrts from the age 13 in boys..
In girls adolescence starts before age of 13.
adolescence occurs duc to harmone the chemical messenger of our body .
Due to this chemical messenger soo many gradual cgange in bodies of boys and girls.