Victims of what? I don't understand what you are talking about
Crack is a Stimulant drug, so A.
All of these but the nosebleeds seem correct, but something much stronger like cocaine can cause nosebleeds.
But if you want just ONE answer 'impaired memory and learning' seems like the best one to pick because that is one of the most noticeable signs of marijuana use.
This website talks about the symptoms of use, I trust its accuracy:
https://www.webmd.com/mental-health/addiction/marijuana-use-and-its-effects#1
1. Anaerobic
2. Anaerobic
3. Anaerobic
4. Anaerobic
5. Aerobics
6. Aerobics
7. Anaerobic
8. Aerobics
Stating when and how often you will do the steps ,because when you state when and how often you will participate in your action plan, you basically are making a promise to yourself to reach that goal. It is critical to do that because then you know exactly what you will be doing, how you will be doing it, and when you will be doing it.