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Question
Which pollutant released into the air during refrigeration and airconditioning is the greatest contributor to the depletion of ozone layer?
(a) BHC
(b) DDT
(c) CFC
(d) UNEP
Solution
CFC
Chlorofluorocarbons (CFCs) are released into the air during refrigeration and air conditioning and are the greatest contributor to the depletion of the ozone layer.
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