Problems with clearly defined start states and goal states are known as ______________ problems

Which of these individuals is at the average age for the onset of depressive disorder?

a. Al, who is 15 years old b. Sid, who is 21 years old c. Sally, who is 32 years old d. Veronica, who is 65 years old

A new feature of friendships in adolescence is ___________

A) mutual liking B) trust C) intimacy