character: Mr. Thompson
topic: Acid Rain: Causes and Long-term Effects on Aquatic Life
grade: 11
subject: Chemistry
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character: Ms. Johnson
topic: Environmental Impacts of Water Pollution
grade: 11
subject: Chemistry
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character: Dr. Lee
topic: The Chemistry of Acid Rain
grade: 11
subject: Chemistry
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character: Mrs. Patel
topic: Effects of pH on Aquatic Ecosystems
grade: 11
subject: Chemistry
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