In gaseous form water is present in atmosphere as
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Earth appear blue from sky due to presence of
Amount of water recommended by United Nation per person per day is
The process of changing water vapour into water is called
Which one is not a natural source of water
In which season water scarcity is most acute?
River Yamuna is polluted near Delhi due to
Which source of water is mostly used by construction site of building?
Addition of harmful substance in water leads to
Of the total amount of water present on the earth, the water available for human use is about
People living near sea or ocean also feels lacks of water because
3 videos|687 docs|659 tests
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3 videos|687 docs|659 tests
|