character: Rachel Carson
topic: Environmental Impact on Aquatic Ecosystems
grade: 9
subject: Biology
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character: John Muir
topic: Conservation Efforts in Aquatic Habitats
grade: 9
subject: Biology
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character: Aldo Leopold
topic: Ecology and the Importance of Biodiversity
grade: 9
subject: Biology
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character: David Attenborough
topic: Documentaries on Marine Life and Conservation
grade: 9
subject: Biology
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