Answer:
No
Step-by-step explanation:
Well from my research no where has not solved air pollution. Because with nicotine and airplane smoke and other things that produce smoke it pollutes the air. And Nicotine,Airplane smoke, and even Car mufflers produce smoke and air pollution
No, air pollution still exists.
There have been countermeasures set up to lessen air pollution and its effects, but it has not been completely solved (yet)
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