Air pollution comes from _____.

asked Apr 16, 2018 38.7k views

2 votes

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4 votes

Factories and cars are two big factors.
Hope this helps~!
~{Isle of flightless birds}

Samiul Alam answered Apr 18, 2018

8.3k points

2 votes

cars, buses, planes, boats, factories, cities...etc

Haydenmuhl answered Apr 22, 2018

7.8k points

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