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  3. 9th Class
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9th Class Science Sample Paper Science Olympiad Model Test Paper-17

  • question_answer
    Carbon is stored in our planet as:

    A) Organic molecules, in the living and dead organisms found in the biosphere

    B) Carbon dioxide in atmosphere

    C) Organic matters in soil

    D) All of these

    E) None of these

    Correct Answer: D

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