character: Mr. Alex Rivera
topic: Human Impact on Nutrient Dynamics in Aquatic Systems
grade: 9
subject: Science
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character: Dr. Emily Santos
topic: Effects of Eutrophication on Freshwater Ecosystems
grade: 9
subject: Science
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character: Ms. Jenna Lee
topic: Role of Phosphorus in Aquatic Environments
grade: 9
subject: Science
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character: Mr. Samuel Knowles
topic: Impact of Agricultural Runoff on Water Quality
grade: 9
subject: Science
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