7th Class Science Wastewater Story Question Bank Wastewater Story

  • question_answer 9) Sewage treatment

    A) is a process of waste water treatment.

    B) refers to waste water that is released by homes, industries, hospitals etc.

    C) refers to the rain water that run down the streets during heavy rains.

    D) All of the above

    Correct Answer: A

    Solution :

    (b) and (c) refer to sewage.

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