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why it is harmful to discharge untreated sewage in rivers and seas

    • Posted by Raviraj Ghatage 6 years, 10 months ago

    CBSE > Class 07 > Science
    • 1 answers

    Jatin Bhagtani 6 years, 10 months ago

    We know that it contains many organic and inorganic impurities, disease causing germs, toxic substances. This also cause water and soil pollution and can affect the health of human being because they take water from rivers for household purposes. Therefore, it is harmful to discharge untreated sewage into rivers or seas.

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