Question

Which of the following statements about the timing and variations in puberty is true?

A.

Children in European countries mature up to a year earlier than their American counterparts.

B.

For girls, menarche is considered within the normal range if it appears between the ages of 9 and 15.

C.

Genes have little to do with when and how puberty develops.

D.

Answer

This answer is hidden. It contains 70 characters.