Ibeleive the answer is bullying because younger kids get bullied and even sometimes adults but teenegers get bullied the most by other teenagers which causes stress and other issues.
sorry if its wrong
The cerebrum- it fills up most of your brain, it is involved with remembering, problem solving, thinking, and feeling.
The cerebellum- is inthe back of your head, under the cerebrum. It controls your coordination and balance.
The brain stem- also beneath cerebrum, controls messages between brain.
Answer: I think the answer would be B.
Explanation: