character: Dr. Foster
topic: The Role of Marine Sediments in Ecosystems
grade: 10
subject: Science
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character: Dr. Smith
topic: Nutrient Cycling in Marine Environments
grade: 10
subject: Science
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character: Ms. Johnson
topic: Impact of Pollution on Marine Life
grade: 10
subject: Science
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character: Mr. Lee
topic: Coral Reefs and Sediment Dynamics
grade: 10
subject: Science
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