<h3>One of the important things you can do for preventing the common cold is to wash your hands frequently, especially during spring and winter when the virus affects more people.</h3>
C. 1/2 cup cooked broccoli
Specificity is the answer. You are targeting a certain muscle in your body to improve it for an upcoming sport or activity like running a marathon or entering a Mr.Olympian body-building competition.
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.
