character: Dr. Jane Doe
topic: Effects of Climate Change on Marine Ecosystems
subject: Geography
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character: Dr. John Smith
topic: Impact of Ocean Acidification on Coral Reefs
subject: Geography
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character: Dr. Emily White
topic: Rising Sea Levels and Coastal Habitats
subject: Geography
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character: Dr. Alan Brown
topic: Effects of Temperature Increases on Fish Populations
subject: Geography
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