character: Ms. Carla Chen
topic: Impact of Hydroelectricity on Local Ecosystems
grade: 9
subject: Geography
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character: Dr. Emily Rivers
topic: Effects of Water Diversion on Wildlife Habitats
grade: 9
subject: Geography
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character: Mr. David Green
topic: Renewable Energy and Its Ecological Footprint
grade: 9
subject: Geography
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character: Ms. Sarah Lopez
topic: The Role of Dams in River Ecosystems
grade: 9
subject: Geography
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