character: Sara Lee
topic: Conservation Strategies for Altered Freshwater Ecosystems
grade: 9
subject: Science
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character: Dr. Jane Goodall
topic: Impact of Pollution on Freshwater Ecosystems
grade: 9
subject: Science
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character: Rachel Carson
topic: Effects of Agricultural Runoff on Water Quality
grade: 9
subject: Science
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character: David Attenborough
topic: Preserving Biodiversity in Freshwater Habitats
grade: 9
subject: Science
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