Lack of attention durring a lesson.
No.
Marijuana is a drug. So yes, by definition, it affects you.
Marijuana may cause memory loss.
Marijuana doesn't usually effect school performance because you can't smoke at school. It is usually beneficial for a persons social life because it makes them calm, less anxious, happy and talkative.
It doesn't
YES
it doesnt
it doesn't!
Yes
Yes
One must work in a collective or cooperative dispensary agent to distribute marijuana.
I think it can.