For most U.S. children today, ________ is the beginning of formal schooling.

According to the World Health Organization, it is estimated that ____ of children in developing countries lack sufficient food or essential nutrients

a. 40% b. 60% c. 80% d. 100%

Recent data from a longitudinal study suggests that ____________ among adolescents is implicated in anxiety and depression

a) stress generation b) stress causation c) stress continuation d) stress generation and stress causation