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  2. Questions Bank
  3. 6th Class
  4. Science
  5. The Living Organisms and their Surrounding

6th Class Science The Living Organisms and their Surrounding Question Bank Environment

  • question_answer
    Harmful components of air are:

    A) Oxygen and carbon dioxide

    B) Carbon dioxide and neon

    C) Dust and Oxygen

    D) Smoke and dust

    E) None of these

    Correct Answer: D

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