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.
Answer:
While generally safe, getting too much fish oil can increase your risk of bleeding and might affect your immune response.
It's not clear whether fish oil is safe for people who are allergic to seafood.
You should take fish oil supplements under a doctor's supervision.
3 months because it usually takes 1500 hours