Question 2
Seas and oceans are full of water on earth. However, a very small percentage of water present on earth is available for us. This percentage is roughly (a) .006% (b) 0.006% (c) 0.6% (d) 6%
Total reservoir of fresh water available on earth is fully available for our use.
What percentage of the total water available on Earth is actually used by humans?
What percentage of water is available as fresh water on the surface of the earth?