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  3. 7th Class
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  5. Wastewater Story

7th Class Science Wastewater Story Question Bank Wastewater Story

  • question_answer
    The organic part of solid material which is removed from sewage includes

    A) Animal excreta

    B) Vegetable matter

    C) Human excreta           

    D) All of these

    Correct Answer: B

    Solution :

    Vegetable matter


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