Question

State the age at which adolescence usually begins and the age up to which it lasts.

Answer 1

Answer:

adolescence begins at the age of 12 to 13 in girls

14 to 15 in boys

It ends at the age of 20

Answer 2

Adolescence begins at the age of 12-13 in girls and 14-15 in boys and ends at the age of 20-21

Explanation:

Adolescence is the period following the onset of puberty when young boys and girls transform from kids to adults. They go through many physical changes as well as mental changes.  

Young boys and girls develop reproductive maturity. This takes place between the age of 12-21.