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
    Oxygen from the atmosphere can be reduced by:

    A) Rusting of iron

    B) Combustion

    C) Respiration by living things.

    D) All the above

    E) None of these

    Correct Answer: D

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