sulfur dioxide (so2)

Sulfur dioxide (SO2) is a colorless gas with a strong, choking odor that is released into the atmosphere during various industrial processes and natural events, such as volcanic eruptions. It is primarily produced by the burning of fossil fuels, particularly coal and oil. SO2 is a major air pollutant contributing to the formation of acid rain and smog, while also posing health risks when inhaled, such as respiratory problems and exacerbating existing lung conditions.

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