Question

why is ozone layer is important? how it is getting depleted ?

Answer 1

Ozone layer is a sheet like layer of the ozone gas in the earth's atmosphere.
It is important as it protects us from the harmful UV radiations of the sun.
This helps preventing disease like skin cancer. cataract of eye, etc.
It is being depleted due to the production of various polluting gases and cfcs which are chluoro phluoro carbons.
These react with the ozone layer and result in the depletion.

Answer 2

ozone layer is the most important layer for earth because it filters the ultraviolet rays coming from the sun to earth.
if this ultraviolet light rays reach the earth unfiltered it can cause harm to human body.

Nowadays ozone layer is is going on depleted because of the air pollution.