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Discussion :: Environmental Science

  1. The most abundant gas emitted from volcanoes is:

    2. A.

     Nitrogen
    B.

     Sulfur dioxide
    C.

     Helium
    D.

     Carbon dioxide
    E.

     Water vapour

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    Answer : Option E

    Explanation :

    Volcanoes also give off greenhouse gases. The most abundant gas released from volcanic eruptions is water vapour. Other emitted gases include carbon dioxide (CO2), sulfur dioxide (SO2), hydrogen sulfide (H2S), carbon monoxide (CO), hydrogen chloride (HCl), and hydrogen fluoride (HF).

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