According to the text, the greatly expanded production of growth hormones occurs at about age ____ for U.S. girls and about age ____ for U.S. boys.
A) 12; 14
B) 13; 13
C) 10; 9
D) 10; 12

Question

Quizplus · Accepted Answer

The greatly expanded production of growth hormones occurs at about age 10 for U.S. girls and about age 12 for U.S. boys, reflecting the general pattern of girls entering puberty and experiencing growth spurts earlier than boys.

According to the Text, the Greatly Expanded Production of Growth