Which of the following triggers physical changes when boys reach puberty?

a. Androgens
b. Estrogens
c. Endorphins
d. Melatonins

Answer: a

Psychology

You might also like to view...

What was the legal basis of the case Ann Hopkins brought against the accounting firm Price Waterhouse?

a) violation of her civil rights b) criminal violation at the felony level c) violation of the consumer protection law d) violation of a state law against unfair business practices

Psychology

What are some of the rules that children use for learning new words?

What will be an ideal response?

Psychology