asked 54.3k views
2 votes
Which of the following is a primary air pollutant?

smog

photochemical smog

carbon dioxide

ozone

2 Answers

1 vote
C — carbon dioxide is the answer.
answered
User Will Bolden
by
8.3k points
4 votes

Answer:

the answer is carbon dioxide

answered
User Michael Williams
by
8.2k points
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