What do you mean by depletion of ozone layer???

Quick.... need the answer now itself.... 

Help me dear dearest friends....

Depletion in Ozone Layer:- Depletion in Ozone layer refers to the decrease in the thickness of Ozone layer.It is a result of several factors such as--

-Emission of Greenhouse gases

-Aerosols

-Deforestation

-Polybags;etc.

It can be brought down in mainly two ways-

-Afforestation

-Reducing emmision of GreenHouse Gases.

Hope you get what you needed!