Multiple choice

The most abundant gas emitted from volcanoes is

  1. Water vapour

  2. Helium

  3. Sulphurdioxide

  4. Carbon dioxide
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Water vapor is the most prevalent gas released during volcanic eruptions, often accounting for over 60 percent of the total gas volume. Other significant gases include carbon dioxide and sulfur dioxide, but they are present in much smaller quantities.

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