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

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Solution

(c) 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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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

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