The age at which puberty arrives dropped quickly throughout the 20th century. What is the likely cause for this change?
A) greenhouse effects on climate
B) improved health and nutrition
C) less manual labor requirements for adolescents
D) amounts of radiation from electric appliances

Question

Quizplus · Accepted Answer

Improved nutrition and health have allowed children to reach their biological potential faster, which in turn causes earlier onset of puberty.

The Age at Which Puberty Arrives Dropped Quickly Throughout the 20th