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      Question

      Which inert gas is most abundantly found in the

      atmosphere?
      A Xenon (Xe) Correct Answer Incorrect Answer
      B Krypton (Kr) Correct Answer Incorrect Answer
      C Helium (He) Correct Answer Incorrect Answer
      D Argon (Ar) Correct Answer Incorrect Answer

      Solution

      Argon is the most abundant inert gas in the Earth's atmosphere, constituting about 0.93% by volume.

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