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Understanding UV Radiation and Ozone Dynamics in the Atmosphere

This text delves into the different types of ultraviolet (UV) radiation, including UV-A, UV-B, and UV-C, and their wavelength ranges of 320-400 nm, 290-320 nm, and <290 nm, respectively. It explores the interactions of UV radiation with molecular oxygen (O2) and its transformation into ozone (O3) through photochemical reactions. The role of ozone in protecting against harmful UV rays and the implications of substances like chlorofluorocarbons (CFCs) on ozone depletion are also discussed.

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Understanding UV Radiation and Ozone Dynamics in the Atmosphere

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  1. UV-A UV-B UV-C 320-400 nm 290-320 nm <290 nm O2 ‘O’ + ‘O’ O2 + ‘O’ O3 UV O3 + X  O2 + OX OX + O  O2 + X O3 + O  2O2 O3 CFC !

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