Answer:
A) frying
Explanation: I don't know it just makes sense i guess?
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.
Cystic fibrosis affects the cells that produce mucus, sweat, and digestive juices. It causes these fluids to become thick and sticky. They then plug up tubes, ducts, and passageways.
It is an inherited life-threatening disorder that damages the lungs and digestive system.
C., because Craig eats a variety of different and healthy food. This can include fruits, vegetables, and grains. The other answers limit how many nutrients they can get.
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