1. Acid rain is caused by sulfur dioxide and nitrogen oxides produced when fuels burn. Most sulfur dioxide is high-sulfur coal burned in power plants which is widely spread throughout Pennsylvania.
2. Many Power plants in the area.
3. Acid rain forms when sulfur dioxide and nitrogen oxides in the atmosphere combine with water to form sulfuric acid and nitric acid. These acids, mixed with rainwater, fall to Earth as acid rain, snow or fog.
2. Many Power plants in the area.
3. Acid rain forms when sulfur dioxide and nitrogen oxides in the atmosphere combine with water to form sulfuric acid and nitric acid. These acids, mixed with rainwater, fall to Earth as acid rain, snow or fog.
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