character: Sylvia Earle
topic: The Importance of Marine Biodiversity
grade: 9
subject: Physics
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character: Jacques Cousteau
topic: Exploration of Marine Ecosystems
grade: 9
subject: Physics
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character: Carl Sagan
topic: The Importance of Planetary Science
grade: 9
subject: Physics
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character: David Attenborough
topic: Conservation of Marine Life
grade: 9
subject: Physics
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