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7th Class Science Wastewater Story Question Bank Self Test-16

  • question_answer
    Which one of the following statements is correct? Statement 1: An underground pipe which carries away dirty drainage water is called sewer. Statement 2: The wastewater treatment plant is also called sewage treatment plant.

    A)  Statement 1

    B)  Statement 2

    C)  Both statements are correct

    D)  Both statements are incorrect

    E)  None of these

    Correct Answer: C

    Solution :


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