character: Dr. Jane Lubchenco
topic: Marine ecology and the threat of ocean acidification
grade: 9
subject: Science
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character: Rachel Carson
topic: The impact of pollution on marine ecosystems
grade: 9
subject: Science
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character: Sylvia Earle
topic: Deep-sea exploration and its significance for marine conservation
grade: 9
subject: Science
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character: Alfred Wegener
topic: Plate tectonics and its effect on oceanic environments
grade: 9
subject: Science
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