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    Question

    As per WMO’s report, CO2 concentration levels reached

    what value in 2023?
    A 380 ppm Correct Answer Incorrect Answer
    B 400 ppm Correct Answer Incorrect Answer
    C 410 ppm Correct Answer Incorrect Answer
    D 420 ppm Correct Answer Incorrect Answer
    E 430 ppm Correct Answer Incorrect Answer

    Solution

    The WMO reported that CO2 concentration levels reached 420 ppm in 2023, the highest recorded levels, primarily driven by fossil fuel emissions and reduced carbon absorption.

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