Problem: Which may account for risk-taking and impulsivity in adolescents when compared to adults? A. Higher level of activity in the nucleus accumbens (NAc) and more activity in the amygdala when compared to adults B. Less activity in the nucleus accumbens (NAc) and less activity in the amygdala when compared to adults C. Higher level of activity in the nucleus accumbens (NAc) and less activity in the amygdala when compared to adults D. Lower level of activity in the nucleus accumbens (NAc) and more activity in the amygdala when compared to adults