how does the principle of separation of powers limit Congress

Which of the following statements is true regarding adolescent ethnicity and self-esteem? select one: a. teens of all ethnicities in the u. s. are likely to experience a brief increase in self-esteem as they transition into early adolescence. b. teens of all ethnicities in the u. s. are likely to experience a drop in self-esteem as they transition from childhood to early adolescence. c. ehtnic minority teens in the u. s. are likely to experience a drop in self-esteem as they transition from childhood to early adolescence.