Vog is a form of air pollution that results when sulfur dioxide and other gases and particles emitted by an erupting volcano react with oxygen and moisture in the presence of sunlight. The word is a portmanteau of the words volcanic and smog, the latter itself a portmanteau of smoke and fog.
Vog is a form of air pollution that results when sulfur dioxide and other gases and particles emitted by an erupting volcano react with oxygen and moisture in the presence of sunlight. The word is a portmanteau of the words volcanic and smog, the latter itself a portmanteau of smoke and fog.
Source: Wikipedia "Vog" · CC BY-SA 4.0
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