character: Carl Safina
topic: Human Impact on Ocean Biodiversity
grade: 10
subject: Geography
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character: David Attenborough
topic: Conservation of Marine Life
grade: 10
subject: Geography
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character: Sylvia Earle
topic: Ocean Exploration and Preservation
grade: 10
subject: Geography
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character: Jacques Cousteau
topic: Marine Ecosystems and Human Effects
grade: 10
subject: Geography
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