According to the text, about percent of high school seniors reported using the drug Ecstasy in 2000 and percent reported using it in 2011?

Which statement best reflects most social psychologists' beliefs about the nature of aggression?

A) Aggression is the result of both inborn propensities and a particular situational context. B) Aggression is based on normal inborn instincts. C) Aggression is entirely determined by situational factors. D) Aggression occurs when unexpressed emotions build up inside and must be expressed to relieve pressure. E) Aggression is almost always maladaptive.

In the United States, how many mothers have breastfed their babies at some point?

A) more than 75% B) 75% C) 50% D) less than 50%