Which of the following statements is not true about social changes during adolescence. a. during adolescence, social changes are caused by physical, emotional, and mental changes. b. during adolescence, many teens have greater responsibilities, which can include chores, good grades, and curfews. c. during adolescence, friendship circles change because of romantic relationships. d. during adolescence, friendships become more important, and teens tend to spend more time with their family than their friends.