character: Professor White
topic: Acidic Precipitation and Its Biological Consequences
grade: 11
subject: Chemistry
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character: Dr. Green
topic: The Impact of pH Levels on Aquatic Life
grade: 11
subject: Chemistry
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character: Ms. Jones
topic: Understanding Acid Rain and Its Effects on Ecosystems
grade: 11
subject: Chemistry
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character: Mr. Lee
topic: Chemical Reactions Behind Acidic Precipitation
grade: 11
subject: Chemistry
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