character: Ms. Patel
topic: Impact of human activity on aquatic nutrient cycles
grade: 10
subject: Biology
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character: Mr. Thompson
topic: Effects of agriculture on water ecosystems
grade: 10
subject: Biology
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character: Dr. Rivera
topic: Pollution and its effects on aquatic life
grade: 10
subject: Biology
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character: Ms. Chen
topic: The role of urbanization in nutrient runoff
grade: 10
subject: Biology
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