The earliest VISIBLE sign that a boy is reaching puberty is:

A) an increase in the size of his hands and feet.
B) facial hair.
C) a tremendous increase in height.
D) voice change.

Ans: A) an increase in the size of his hands and feet.

Psychology

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Research shows that many adolescents do not use contraception during sexual activity because they

A) fail to apply their reasoning skills to everyday situations. B) enjoy the thrill of risky behavior. C) receive inaccurate information on pregnancy and STDs. D) are unable to determine the consequences of their actions.

Psychology

James, a 5-month-old, gazed in fascination at a small toy, and then pressed it into his mouth. This is known as

a. passive withdrawal. b. active protest. c. object engagement. d. social engagement.

Psychology