Calories, you need calories to function. calories are found in food.
Answer: Yes, because Sam is experiencing PTSD.
Explanation: PTSD is a psychiatric disorder that occurs to people after a traumatic experience. Since Sam survived a very bad car crash, he is traumatized and should seek professional help.
Hope this helps! :)
1: seniors in high school because that is when everyone is wanting to be the most popular.
2: ????
3:???
Is there only one answer to the question? If so, I would guess communicating. Although analyzing influences and setting goals could be correct as well.