character: Dr. Sylvia Earle
topic: Ecologist and Marine Biologist specializing in coral reef ecosystems
grade: 9
subject: Science
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character: Jacques Cousteau
topic: Marine explorer and conservationist known for underwater documentaries and research
grade: 9
subject: Science
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character: David Attenborough
topic: Natural historian and broadcaster focused on wildlife conservation and climate change
grade: 9
subject: Science
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character: Rachel Carson
topic: Marine biologist author known for her work on the impact of pesticides on the environment
grade: 9
subject: Science
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