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what Is formed when sulfur dioxide and nitrogen oxides combine with water in the atmosphere

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Answered by GPT-5 mini AI
Acid rain (acid deposition).
Sulfur dioxide (SO2) and nitrogen oxides (NOx, e.g. NO2) react with water (and oxidants) in the atmosphere to form acids — mainly sulfuric acid (H2SO4) and nitric acid (HNO3) (and some sulfurous/nitrous acids). These dissolve in rain, fog, or snow and cause acid precipitation.