character: Captain Oceanus
topic: Deep Sea Exploration
grade: 3
subject: Social Studies
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character: Dr. Marina Wave
topic: Underwater Ecosystems
grade: 3
subject: Social Studies
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character: Professor Coral
topic: Marine Biology
grade: 3
subject: Social Studies
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character: Seabed Sally
topic: Ocean Floor Discoveries
grade: 3
subject: Social Studies
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