character: Mr. John Reynolds
topic: How Sediment Composition Affects Aquatic Life
grade: 12
subject: Biology
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character: Dr. Emily Chen
topic: The Role of Sediment in Freshwater Ecosystems
grade: 12
subject: Biology
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character: Professor Mark Thompson
topic: Impact of Sediment Type on Fish Habitats
grade: 12
subject: Biology
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character: Ms. Sarah Johnson
topic: Sediment Analysis and Its Importance in Aquatic Biology
grade: 12
subject: Biology
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