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Vera_Pavlovna [14]
3 years ago
11

The primary source of air pollution is A. Trash B. factories C. automobiles D. sewage treatment plans

Biology
2 answers:
ioda3 years ago
8 0
D. sewage treatment plans everyone knows that


disa [49]3 years ago
3 0
The answer for this one is C. automobiles that's where air pollution comes from cause when the car drives, air fuel comes out the back and goes into the air and makes pollution, just like power plants as well. hope this helps
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