Protect THE OZONE LAYER- save life On earth

The ozone layer or ozone shield refers to a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation. 

Structure of the ozone layer

I.    It is in the lower part of the stratosphere,
II.    10-20km high about from ground,
III.    About 12-19mm thickness, changing varies seasonally and geographically,
IV.    Made with O3 molecules.

Things that harm ozone layer

       Ozone Depleting Substances,

I.    CFCs, which contain carbon, chloride and fluorine.(In aerosol sprays, refrigerators, air conditioners etc.)
II.    nitric oxide (NO), nitrous oxide (N2O), (OH), (Cl), and (Br)

How we protect ozone layer

a)    Make sure that stop use of CFCs it is the best thing- Montreal Protocol
b)    Use non-ozone depleting substances.
    etc; HCFCs – hydrogen, carbon, chloride and fluorine.
c)    Educate others.

Any FAQs
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