2. Questions Bank
  3. 8th Class
  4. Science
  5. Pollution of Air and Water

8th Class Science Pollution of Air and Water Question Bank Pollution of Air and Water

  • question_answer
    Substances that decay naturally are called:

    A) Decomposers                 

    B) Biodegradable

    C) Potable 

    D)        Recyclable

    E) None of these

    Correct Answer: B

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