a. Degradation of ozone has many harmful effects. Some of them are:
i. The thinning of ozone layer of caused.
ii. The harmful UV rays reach the Earth and cause many harmful effects on the biotic and abiotic processes.
b. Some ways by which ozone degradation affects human life are:
i. UV-B rays cause mutation in the skin, thereby, damaging the skin and causing skin cancer.
ii. Cataract and snow blindness are also caused by UV damage to the cornea.
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