Carbon (IV) oxide content of the atmosphere is least affected by
-
cutting down and clearing of forests
- forest fires
- burning of fossil fuels
- plant and animal respiration
The correct answer is: A
Explanation
Apart from cutting down and clearing of forests, in the other options,Carbon (IV) oxide content of the atmosphere is greatly affected.
When forests are cut down or burned, the stored carbon is released into the atmosphere as CO\(_2\).
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