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Last updated date: 11th Dec 2023
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MVSAT Dec 2023

What are the different forms in which water is present on the earth? Where are these forms present and in what proportion?

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Hint :The water takes three different forms in the water cycle: solid, liquid and gaseous. The solid form of water is ice and it is found at the poles of the earth, as snow covered mountains and glaciers. And the liquid form is present in the rivers, lakes, seas and oceans.

Complete Step By Step Answer:
Out of all the water that exists on our planet, $97\% $ is saltwater and less than $3\% $ is freshwater. Most of the freshwater on Earth is frozen in glaciers, ice caps or is deep underground in aquifers. Less than $1\% $ Earth’s water is freshwater that is easily available to us to meet our daily needs and most of that water is replenished by precipitation.
$97.5\% $ of total volume of water is saline and $2.5\% $ water is freshwater.
Oceans $ \to 96.5\% $
Ice & Snow $ \to 1.76\% $
Ground water $1.69\% $
Lakes $ \to 0.013\% $
Atmosphere $ \to 0.00096\% $
Swamps $ \to 0.00083\% $
River $ \to 0.00015\% $
Biological water $ \to 0.000081\% $

Note :
The water cycle gives information about how water evaporates from the Earth’s surface, rises into the atmosphere, cools and condenses to form clouds and falls again to the surface as precipitation. Water evaporates from the ground mainly from soil, plants and lakes. Evaporation cools the surface of Earth, cools the lower atmosphere and provides water to the atmosphere to form clouds.