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Environment
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What is 'acid rain'?
Verified Answer
Rain with a high pH (alkaline)
Quiz Options
- Rain with a high pH (alkaline)
- Rain with a low pH (acidic) caused by pollutants
- Rain that is unusually cold
- Rain that contains dissolved salt
Explanation & Context
Acid rain results from the emission of sulfur dioxide and nitrogen oxides, which react with water, oxygen, and other chemicals in the atmosphere to form sulfuric and nitric acids.
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"Which is 'acid rain'?"
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