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 that is unchanging
Explanation:
<span>This is in how you look at it. as a food source, fish are producers since we as humans eat fish, but they are also consumers since others eat other fish as food. </span>
