character: Professor Sarah Nguyen
topic: Assessing Water Quality in Nutrient-Loaded Lakes
grade: 9
subject: Science
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character: Dr. Emily Carter
topic: Impact of Phosphorus on Algae Blooms
grade: 9
subject: Science
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character: Mr. Jake Thompson
topic: Chemical Testing Methods for Lake Water
grade: 9
subject: Science
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character: Ms. Lisa Tran
topic: Effects of Eutrophication on Aquatic Life
grade: 9
subject: Science
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