character: Mr. Gupta
topic: Effects of Pollution on Marine Life
grade: 12
subject: Geography
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character: Dr. Smith
topic: Impact of Marine Debris on Ocean Ecosystems
grade: 12
subject: Geography
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character: Professor Lee
topic: Climate Change and its Effects on Marine Biodiversity
grade: 12
subject: Geography
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character: Ms. Johnson
topic: Consequences of Oil Spills on Marine Habitats
grade: 12
subject: Geography
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