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9th Class Science Natural resources Question Bank Natural Resources

  • question_answer
    Select the option that correctly identifies X and Y in the given flow chart.            

    A)        
    X Y
    Ecological BHC
                   

    B)
    X Y
    Biological Fertiliser
                   

    C)
    X Y
    Biological Heat
                   

    D)
    X Y
    Ecological Bacteria

    Correct Answer: C

    Solution :

                Not Available                


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