Is a brain-neuroendocrine process occuring primarily in early adolescence that provides stimulation for the rapid physical changes that occur in this period of development.

Puberty.

Explanation:

Puberty may be defined as the process of the physical changes in the body that makes the body of an individual capable of sexual reproduction. The hormones play an important role in puberty.

Puberty is the brain-neuroendocrine process which occurs in the early adolescence. This provides the stimulation of fast physical changes in the puberty.

Thus, the correct answer is puberty.

it'll be alright, just keep on going and keep your head up!

answer (c) by causing social withdrawal;