character: Dr. Lee
topic: Impact of Chemical Pollutants on Water Quality
grade: 11
subject: Chemistry
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character: Mr. Thompson
topic: Water Treatment and its Efficacy Against Pollutants
grade: 11
subject: Chemistry
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character: Ms. Garcia
topic: Effects of Heavy Metals on Aquatic Life
grade: 11
subject: Chemistry
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character: Dr. Patel
topic: The Role of pH and Conductivity in Water Quality Assessment
grade: 11
subject: Chemistry
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