Answers

2015-08-05T21:56:30+05:30
About 71 percent in total water out of which only about2 % is pure for drinking.

0
2015-08-05T22:08:42+05:30
Very Low. Only 3/100 the water is good for us. Therefore it is scarce and needs to be preserved. 
97/100 the water is impure and saline.
0