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Which source emits most of the world's SO2 causing acidification?
ASea spray and salt
BForest wildfires
CBurning fossil fuels
DVolcanic eruptions
Answer & Solution
Correct answer: C. Burning fossil fuels
About 70 Tg(S) a year of SO2 comes from fossil fuels and industry, far more than from volcanoes or wildfires.
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