During the past century,the onset of puberty has been coming at an earlier age in the United States and in some other countries.This is
A) called a secular trend.
B) apparently related to a higher standard of living.
C) now leveling off.
D) All of these

Question

Quizplus · Accepted Answer

The onset of puberty occurring at an earlier age is called a secular trend and has been observed in the United States and some other countries. This trend is believed to be related to a higher standard of living but is now leveling off. Therefore, all the options A, B, and C are correct.

During the Past Century,the Onset of Puberty Has Been Coming