C
that’s the only negative effect
B. The air you breathe.
Because the rest of the choices are not environmental factors. Gang activity, and access to jobs and education are not environmental because environment are things about the world.
Playing with them or simply letting them rant and giving advice. Maybe helping out in some way
Well, outcomes can include tiredness, depression, feeling of addiction, and if used with a high dosage it can lead to being sick and slow to fast heartbeats. :).