character: Rachel Carson
topic: Human Impact on Marine Ecosystems
grade: 9
subject: Physics
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character: Jacques Cousteau
topic: Ocean Conservation
grade: 9
subject: Physics
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character: Sylvia Earle
topic: Marine Biology and Human Effects
grade: 9
subject: Physics
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character: David Attenborough
topic: Environmental Awareness and Marine Life
grade: 9
subject: Physics
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