character: Rachel Carson
topic: Impact of Pollution on Ocean Ecosystems
grade: 9
subject: Physics
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character: Jacques Cousteau
topic: Exploration of Marine Pollution
grade: 9
subject: Physics
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character: David Suzuki
topic: Environmental Advocacy and Ocean Health
grade: 9
subject: Physics
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character: Sylvia Earle
topic: Marine Conservation and Pollution Effects
grade: 9
subject: Physics
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