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Increase in the percentage of fauna and ...

Increase in the percentage of fauna and decrease in flora may be dangerous because it enchances percentage of:

A

Percentage of `CO_2`

B

Percentage of radioactive fall out

C

Percentage of `O_2`

D

Percentage of diseases

Text Solution

Verified by Experts

The correct Answer is:
A
Carbon dioxide present in the earth atmosphere contributes to the green house effect. It promotes plant growth because the energy from the visible rays of the sun can be used by plants in the greenhouse to fuel photosynthesis.
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