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:
I'm almost positive that's its C but if they already paid then D
It would be everyone's best interest for Carla to bring this major outright fellony to the attention of her boss or other appreciate supervisor quietly letting them know she needed the file for the continuation of work, hopefully it was necessary for employer. I think too and often others in society have not developped moral and stay stuck in serving their own immediate action interest.
My dad is a construction worker and i'm around him a lot while he's working and I have asthma as well. It doesn't really effect me for about 2 hours then I need to take my inhaler
Difussion occurs from a high concentrated region to a low concentrated region. The velocity of diffussion is proportional to the differential of concentrations. In the lung arrives blood with low levels of oxygen while the long is rich with fresh oxygen so the oxygen flows from the lung tissues to the blood.
The other tissues consume oxygen continually them they get poor in oxygen and so the oxygen that is in the blood diffuses to the tissue that is poor in oxygen.