Published On: Tue, Dec 22nd, 2009

Facts to Know

Water:- Water makes up 70% of earth’s surface but more than 97% of that is too salty for drinking or irrigation.

Of the usable 3% water more than 75% is frozen as ice caps and glaciers.
This leaves less than 0.5% that is available
(as groundwater aquifers, rivers, lakes and streams) for human consumption.

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  1. c says:

    extremely useful

  2. as an aspirent for civil serveses it is very very impartant to me

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