Biology, asked by ujtojjfdf4969, 1 year ago

why is ozone both harmful and useful

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Answered by Sonu1819
3
Ozone is "good" when it is in the stratosphere. The stratosphere is a layer of the atmosphere. The stratosphere naturally contains about six parts per million of ozone, and this ozone is very beneficial because it absorbs UV radiation and prevents it from reaching us (see How Sunburns and Sun Tans Work for a description of the damage that UV radiation can cause to skin).
Ozone is "bad" when it is at ground level. Ozone is a very reactive gas that is hard on lung tissue. It also damages plants and buildings. Any ozone at ground level is a problem. Unfortunately, chemicals in car exhaust and chemicals produced by some industries react with light to produce lots of ozone at ground level. In cities, the ozone level can rise to a point where it becomes hazardous to our health....

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