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3rd Class Science Our Environment Question Bank Self Test-5

  • question_answer
    Humus constitutes of which one of the following?

    A)  Decayed plants and animals                      

    B)  Decayed leaves and twigs

    C)  Tiny insects                                                       

    D)  All of these

    E)  None of these

    Correct Answer: D

    Solution :


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