character: Dr. Williams
topic: Chemical Processes in Eutrophication
grade: 9
subject: Chemistry
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character: Professor Green
topic: Nutrient Cycling in Aquatic Ecosystems
grade: 9
subject: Chemistry
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character: Ms. Rivers
topic: Impact of Algal Blooms on Water Quality
grade: 9
subject: Chemistry
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character: Mr. Waters
topic: Understanding Phosphorus and Nitrogen in Eutrophication
grade: 9
subject: Chemistry
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