what is ozone layerwhat is ozone layer and what is its importance
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Ozone is a gas in the atmosphere that protects everything living on the Earth from harmful ultraviolet (UV) rays from the Sun. ... The ozone layer acts as a shield to absorb the UV rays, and keep them from doing damage at the Earth's surface.
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Ozone layer is the outermist layer of the atmosphere with 3 molecules of oxygen ... It protects us from harmful UV rays ....
CFCS are the main cause of depletion of ozone layer .
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