Question

The depletion of ozone layer is a case of concern. Why?

Answer 1

Ozone layer is very important for earth because it protects the earth from the harmful UV rays coming from the sun. If UV rays enter the earth's atmosphere, then diseases like skin cancer,cataract etc. can be caused to us and adverse effects on environment too can be seen.

Answer 2

damages of ozone layer makes the entry of uv rays which can cause
skin cancer
cataract
eye irritation etc...