Question

    Which gas is most abundant in the Earth's

    atmosphere?
    A Nitrogen Correct Answer Incorrect Answer
    B Oxygen Correct Answer Incorrect Answer
    C Carbon dioxide Correct Answer Incorrect Answer
    D Argon Correct Answer Incorrect Answer

    Solution

    Nitrogen makes up about 78% of the Earth's atmosphere, making it the most abundant gas, followed by oxygen at about 21%.

    Practice Next

    Relevant for Exams: