Short answer questions IV — 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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Give reason for the following statement – Sewage should not be disposed of in rivers or oceans before treatment.

Sewage should not be disposed of in rivers or oceans before treatment. Because

We cannot use the polluted river water for our day to day life.
The rivers and oceans will be polluted if we dispose of sewage before it is treated.
Sewage will reduce the water level.
Pollution will destroy aquatic animals and species.

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