Soil pollution is caused by:_________?
Correct answer: C. Acid rain
- A. Aerosol
- B. Ozone
- C. Acid rain
- D. PAN
Explanation
Acid rain contains sulfuric and nitric acids that lower soil pH and can damage soil organisms and nutrients, making it a cause of soil pollution. Aerosols, ozone and PAN are more commonly discussed as air pollutants in this set of choices. Students may choose PAN because it is a pollutant, but PAN mainly causes photochemical smog and plant damage rather than being the intended soil pollutant.
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