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.
I think the answer would be honors & activities. Because getting a prize or awards could be consider an honor. & Plus it doesn't make any sense with the other options.
The correct answer is A.
By trying out the equipment first at a fitness club you can make an informed decision as to whether you will use the equipment at home, if you are able to use the equipment, if you will get any benefit from it, if you enjoy using it. You don't want to make an unnecessary purchase of a piece of equipment you will never use and waste your money.
