Not sure but my best guess is to go with B. It just makes the most sense.
<span>Photochemical smog, created by the chemical reaction between sunlight, nitrogen oxides and volatile organic compounds is (e) generally worse during the winter months in part because of the increase in energy used to heat homes and other buildings.</span>
Answer:
D
Explanation:
D is really decomposing waste of anytime so I think that’s the answer.
