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Q.

What did the Montreal Protocol call for?

 A.

Phasing out of CFCs and replacing them with HFCs

 B.

Phasing out of CFCs and HFCs

 C.

Phasing out of CFCs & HFCs and replacing them with HCFCs

 D.

Phasing out of HFCs and replacing them with CFCs

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Solution:
Option(A) is correct

The Montreal Protocol called for the protection of the ozone layer, which is the phasing out of CFC's and replacing them with HFC's.


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