People who diet intensely every other day lose as much as those who diet moderately every day

Ginger and Roger are fraternal twins arguing about who is going to begin puberty first and who is going to reach their adult height first. If you were chosen to referee their argument, what would you tell them?

a. Girls begin puberty and reach their adult height earlier than boys. b. Boys begin puberty and reach their adult height earlier than girls. c. Girls and boys begin puberty and reach their adult height at the same ages. d. Girls begin puberty before boys, but reach their adult height after boys.

According to the text, love relationships among Americans tend to follow a developmental sequence of _____steps?

A. Three B. Four C. Five D. Six