Answer:
smog
Explanation:
Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities.
I know for a fact c is one of the correct answers and I also think b is the other correct one
Answer:
the answer would be a mutation during reduction division
<span> the answer is commensalism</span>
30x Magnification I think hope that helped