25. How is ozone formed ? State the importance of ozone layer.
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ozone is formed naturally by chemical reactions involving solar ultraviolet radiation (sunlight) and oxygen molecules.
solar ultraviolet radiation breaks apart one oxygen molecule (O2) to produce two oxygen atoms.
the importance of ozone is that it that protects everything living on the Earth from harmful ultraviolet (UV) rays from the Sun. Without the layer of ozone in the atmosphere, it would be very difficult for anything to survive on the surface.
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