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Discussion :: UPSC Civil Service Exam Questions

  1. Allowable disposable rate of application of sludge on land is determined by

  2. A.
    carbon content of sludge
    B.
    nitrogen content of sludge
    C.
    phosphorus content of sludge
    D.
    potassium content of sludge

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    Answer : Option B

    Explanation :

    No answer description available for this question. Let us discuss.


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