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

  • question_answer
    The life-supporting zone of the earth where the atmosphere, the hydrosphere and the lithosphere interact and make life possible, is known as:

    A) Asthenosphere

    B) Biosphere

    C) Ionosphere

    D) Exosphere

    E) None of these

    Correct Answer: B

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