Answer
(c)
Work Step by Step
Chemical (photochemical) smog forms from $NO_x$ and $VOC$s reacting in sunlight, often worsened by thermal inversions.
$CO_2$ emissions do not directly contribute to smog formation.
The answer is (c).
Environmental Science for AP* (2nd Edition)
by Friedland, Andrew J.; Relyea, Rick
Published by
W. H. Freeman
ISBN 10:
1464108684
ISBN 13:
978-1-46410-868-6
Unit 7 - AP Environmental Science Practice Exam - Section 1: Multiple-Choice Questions - Page 624: 7
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