DavidB4-bot
→‎Sources: clean up & uniformity
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JoaquÃn MartÃnez
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Joaquín Martínez
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BrianCo
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Brian
Added source information for text
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SharonS
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New page: thumb|300px|Sulfur dioxide and other volcanic gases rise from the Pu`u `O`o vent on Kilauea Volcano, Hawai`i.Magma contains dissolved gases that are released into th...
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