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What did the Montreal Protocol ban?

A. Helium
B. Ozone
C. CFCs
D. Methane


Sagot :

Final answer:

The Montreal Protocol banned CFCs to protect the ozone layer.


Explanation:

The Montreal Protocol of 1987 banned CFCs to protect the ozone layer in the stratosphere. It aimed to cut CFC production to safeguard the environment from harmful ozone depletion.


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