• Question: How much methane is there in air

    Asked by BBV to Sarah on 16 Mar 2018.
    • Photo: Sarah Naylor

      Sarah Naylor answered on 16 Mar 2018:

      The air is made up of approximately:
      78% nitrogen
      21% oxygen
      1% argon
      0.04% carbon dioxide
      and small amounts of other gases…methane will come within this smaller amount but I can’t tell you exactly how much, though it is a very very small percentage.

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