Question

what is ozone? How and where is it formed in the atmosphere ?​

Answer 1

ozone is the protective layer in the uppermost layer of earths atmosphere .

its formula is  O3

Answer 2

ozone is a protective layer in the atmosphere that partially reflects UV rays of the sun.
ozone-O3

and oxygen molecule present in the atmosphere first split into two oxygen atoms and when one of these oxygen atom combines with oxygen molecule ozone is formed.

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