Acid Rain Occurs When

question 32

Multiple Choice

Acid rain occurs when

• A)carbon dioxide combines with water in the atmosphere.
• B)phosphorus-rich water in lakes evaporates to form phosphoric acid.
• C)sulfur released in burning fossil fuels combines with water in the atmosphere.
• D)excess hydrogen is released into the atmosphere where ozone is formed.
• E)bacteria in the soil break down nitrates to nitrogen gas, which then combines with moisture in the atmosphere to form nitric acid.

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