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    Question

    Which gas is responsible for the blue color of the

    Earth’s atmosphere?
    A Oxygen and Carbon dioxide Correct Answer Incorrect Answer
    B Nitrogen (Nâ‚‚) and Oxygen Correct Answer Incorrect Answer
    C Helium and Lithium Correct Answer Incorrect Answer
    D Argon and Helium Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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