The answer is "<span>B: all the gray squirrels that live in a forest" </span>
I think B is the answer The Clean Air Act That prevented air pollution and protected the ozone layer as well as promote public health. This act gave Enviromen. Protection Agency the power to take effective action fighting environmental air pollution
Answer: population
hope this helped
Jet streams are fast moving air currents much like how a river is a fast moving water current so the answer is jet streams.