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Class 10 Science Medium Mcq English Medium

Why is ozone considered both beneficial and harmful, depending on its location? radiation

Question
Why is ozone considered both beneficial and harmful, depending on its location? radiation
It is only ever beneficial, regardless of location
At ground level it can be a pollutant/poison, but at higher atmospheric levels it protects against UV
It is only ever harmful, regardless of location
Its effects do not depend on location at all
Answer
At ground level it can be a pollutant/poison, but at higher atmospheric levels it protects against UV
Detailed Explanation
While ozone acts as a deadly poison at lower levels, in the upper atmosphere it performs the essential protective function of blocking harmful UV radiation. — Examisthan.com
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