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Which substance may lower air temperatures after a volcanic eruption?
lava
sulfur dioxide
carbon dioxide
water vapor
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Sulfur dioxide.
When injected into the stratosphere, SO2 oxidizes to form sulfate aerosols (sulfuric acid droplets) that reflect incoming sunlight, increasing planetary albedo and lowering air temperatures (e.g., Mt. Pinatubo, 1991).
When injected into the stratosphere, SO2 oxidizes to form sulfate aerosols (sulfuric acid droplets) that reflect incoming sunlight, increasing planetary albedo and lowering air temperatures (e.g., Mt. Pinatubo, 1991).
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