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Natali [406]
3 years ago
12

When is ozone considered a pollutant

Biology
1 answer:
4vir4ik [10]3 years ago
5 0
The layer closest to the Earth's surface is the troposphere. Here, ground-level or "bad" ozone<span> is an air </span>pollutant<span> that is harmful to breathe and it damages crops, trees and other vegetation. It is a main ingredient of urban smog.</span>
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