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    Question

    Concentration of argon in the atmosphere

    is
    A 0.5% Correct Answer Incorrect Answer
    B 0.93% Correct Answer Incorrect Answer
    C 0.85% Correct Answer Incorrect Answer
    D 0.74% Correct Answer Incorrect Answer

    Solution

    Atmospheric gases Concentration Nitrogen 78% oxygen 20.95% argon 0.93 % carbondioxide 0.03 % Neon 0.0018%

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