character: Ms. Gomez
topic: Environmental Chemistry and Water Quality
grade: 12
subject: Chemistry
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character: Dr. Smith
topic: Impact of Pollutants on Water Quality
grade: 12
subject: Chemistry
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character: Mr. Lee
topic: Water Treatment Processes
grade: 12
subject: Chemistry
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character: Ms. Patel
topic: Acid Rain and its Effects on Ecosystems
grade: 12
subject: Chemistry
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