Question

what is the importance of ozone in the atmosphere? What is causing its depletion?

Answer 1

ozone is present in the atmosphere in the form of ozone layer
it protects us from UV (ultraviolet)rays
the main reason for its depletion is CFCs along with greenhouse gases

Answer 2

ozone layer very useful because ozone layer protect our earth from the ulvolet rays comes from sun. ozone layer made up of gases present n earth