character: Carl Safina
topic: Marine Science and Biodiversity Advocacy
grade: 9
subject: Biology
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character: Rachel Carson
topic: Environmental Advocacy and Marine Conservation
grade: 9
subject: Biology
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character: Sylvia Earle
topic: Marine Biology and Ocean Conservation
grade: 9
subject: Biology
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character: Jacques Cousteau
topic: Underwater Exploration and Marine Ecology
grade: 9
subject: Biology
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