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    Question

    Nitrate levels in drinking water above mg/litre are

    considered us human health hazard
    A 5 Correct Answer Incorrect Answer
    B 10 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D 20 Correct Answer Incorrect Answer

    Solution

    Nitrate levels in drinking water above10 mg/litre is considered us human health hazard

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