Choose the appropriate answer II — task. Science State Board, Class 6.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. About \(30\)% of the fresh water is found in

glaciers
other source of water
\(0.3\)%
ground water

2. Using RO plant at home eliminates lot of non-potable water. The best way to effectively use the expelled water of RO plant is

to drink the expelled water after boiling and cooling
use it for watering plants
make the expelled water go and seep near the bore well
to use for cooking as the water is full of many nutrients

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