character: Marine Biology Teacher
topic: Overview of Marine Ecosystems
grade: 10
subject: Geography
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character: Environmental Scientist
topic: Importance of Marine Biodiversity
grade: 10
subject: Geography
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character: Oceanographer
topic: Threats to Marine Ecosystems
grade: 10
subject: Geography
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character: Conservationist
topic: Conservation Efforts for Marine Biodiversity
grade: 10
subject: Geography
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