The stratospheric ozone depletion leads to:

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(B) The stratospheric ozone layer acts as a shield that absorbs harmful ultraviolet $(UV)$ radiation from the sun.Depletion of this layer allows more

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Increase in the incidence of skin cancers

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(B) The stratospheric ozone layer acts as a shield that absorbs harmful ultraviolet $(UV)$ radiation from the sun.Depletion of this layer allows more $UV-B$ radiation to reach the Earth's surface.$UV-B$ radiation damages $DNA$ and induces mutations,which significantly increases the incidence of skin cancers and cataracts in humans.While global warming is primarily caused by greenhouse gases and forest fires are often related to climate change or human activity,the direct and most scientifically established consequence of ozone depletion is the increased exposure to harmful $UV$ radiation leading to skin cancers.

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Assertion : $UV$ radiation causes photodissociation of ozone into $O_2$ and $O$,thus causing damage to the stratospheric ozone layer.
Reason : Ozone hole is resulting in global warming and climate change

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