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Discussion :: Environmental Science

  1. Nitrogen gas returns to the atmosphere by the action of

    2. A.

     Nitrogen fixing bacteria
    B.

     Denitrifying bacteria
    C.

     Nitrifying bacteria
    D.

     Nitrate fertilizers

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    Answer : Option B

    Explanation :

    Nitrogen gas returns to the atmosphere by the action of denitrifying bacteria.

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