General Knowledge : Environment Science : Discussion

What percentage of land area should remain covered by forest to maintain Ecological balance?

A. 10%.
B. 5%.
C. 33%.
D. None of these.

Answer: Option C

No explanation for this question.

Manasa said: (Mon, Sep 15, 2014 10:23:36 AM)
Why is it so????

Write your comments here:
Name *:     Email: