People, Development and Environment
9.7
•
1
st
Column:
Oceans (along with saline ground water
and saline lakes) contain almost 97.5% of the Earth’s
water. This water is almost saline.
•
2
nd
Column:
The remaining 2.5% of the water is
freshwater, found in glaciers, ice caps, rivers, lakes,
and groundwater. As freshwater is most important as
this is required for drinking, routine chores, agricul-
ture etc, we are assuming this to be of 100 percentage
units to know its breakup.
•
3
rd
Column:
The actually available 1.3% surface
water and other fresh water in the 2nd Column is fur-
ther broken into different parts in the ...
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