1.

Which constituent of the atmosphere is likely to change if the forest cover is removed?

A.  \[{{O}_{2}}\] level is increased
B.  \[C{{O}_{2}}\] level is increased  
C.  \[{{O}_{2}}\] level is significantly increases
D.  \[C{{O}_{2}}\] level is significantly decreased
Answer» C.  \[{{O}_{2}}\] level is significantly increases


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