character: Dr. Sarah Thompson
topic: Freshwater Ecology and the Importance of Biodiversity in Rivers and Lakes
grade: 9
subject: Science
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character: Professor Mike Rivers
topic: The Impact of Pollution on Aquatic Ecosystems
grade: 9
subject: Science
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character: Ms. Lisa Waters
topic: Restoration Efforts for Lake and River Biodiversity
grade: 9
subject: Science
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character: Dr. John Streamline
topic: Adaptations of Freshwater Species in Changing Environments
grade: 9
subject: Science
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