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The major ozone depleting substance out of the following isA. CFCsB. `O_(2)`C. nitrogenD. all of these. |
Answer» Correct Answer - A Ozone depleting substances (ODS) are substnces which react with ozone present in the stratosphere and destroy the same. The major ODS are chlorofluorocarbons (14 % of total depletion), nitrogen oxides (3.5 % depletion), sulphur dioxide, halon, carbon tetrachloride, methyl chloroform, chlorine, etc. |
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