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1 vote
⇔Which of the following is the most significant non-point source of air pollution?

A.
airplanes
B.
power plants
C.
trains
D.
automobiles⇔

2 Answers

0 votes
B. Power plants is the answer.
User Wintzer
by
8.2k points
6 votes
pretty sure its a

hope it helped :)
User Nati Krisi
by
8.3k points

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