character: Ms. Johnson
topic: Sources of Air Pollution Leading to Acid Rain
grade: 11
subject: Chemistry
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character: Dr. Smith
topic: Impact of Acid Rain on Ecosystems
grade: 11
subject: Chemistry
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character: Mr. Lee
topic: Chemical Reactions in Acid Rain Formation
grade: 11
subject: Chemistry
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character: Ms. Adams
topic: Solutions to Reduce Air Pollution
grade: 11
subject: Chemistry
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