Question

Depletion of ozone layer discuss reason behind this

Answer 1

Ozone layer depletion is causing due to the usage of chloro fluro carbons in ac, refrigerator etc

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Answer 2

Natural causes of depletion of ozone layer: Ozone layer has been found to be affected by certain natural phenomena such as Sun-spots and stratospheric winds. ... With so much stability, they are transported into the stratosphere. The emission of ODS account for roughly 90% of total depletion of ozone layer in stratosphere.