Vitamins work with enzymes to initiate chemical reactions within cells. Vitamins plays an indirect role in catalysis, where in the beginning of the chemical reaction speeds up with the help of enzymes, in order to participate in catalytic reactions.
C. Dying their hair
Choice A is incorrect because when someone is bored they may choose to dabble in drugs to give them something to do. B is incorrect because if someone likes to do dangerous things they would be more willing to partake in risky behaviors. D is incorrect because someone looking to escape reality would try drugs to achieve that.
B. supervision and safety plans
I would recommend going to bed EXTRA EARLY!! I usually get tired to when I pack, or clean my room. But, that is usually what I do. Go to bed very early. Have fun on your trip!