Assertion : UV radiation causes photodissociation of ozone into O2 and O. Thus causing damage to the stratospheric ozone layer. Reason : Ozone hole is resulting in global warming and climate change. A-If both assertion and reason are true and reason is correct explanation of assertion. B-If both assertion and reason are true but reason is not the correct explanation of assertion. C-If assertion is true but reason is false. D-If both assertion and reason are false.