character: Dr. Jane Smith
topic: Marine Ecologists, Impact of Human Activities on Marine Biodiversity
grade: 12
subject: Geography
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character: Sophia Rodriguez
topic: Effects of Overfishing on Marine Ecosystems
grade: 12
subject: Geography
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character: Marcus Lee
topic: Pollution and Its Effects on Coral Reefs
grade: 12
subject: Geography
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character: Emily Chen
topic: Climate Change and Marine Species Migration
grade: 12
subject: Geography
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