character: Dr. Emily Chen
topic: Ocean Acidification and Its Effects on Sea Life
subject: Geography
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character: Dr. Sylvia Torres
topic: Marine Ecosystems and Climate Change
subject: Geography
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character: Professor John Roberts
topic: The Role of the Oceans in Regulating Climate
subject: Geography
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character: Dr. Sarah Lin
topic: Coral Reefs and the Impact of Ocean Chemistry
subject: Geography
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