character: Mr. Waters
topic: Eutrophication Process
grade: 9
subject: Biology
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character: Dr. Green
topic: Role of Phosphorus in Algal Growth
grade: 9
subject: Biology
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character: Ms. Bloom
topic: Effects of Eutrophication on Aquatic Ecosystems
grade: 9
subject: Biology
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character: Professor Ocean
topic: Nutrient Pollution and Algal Blooms
grade: 9
subject: Biology
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