character: Professor Ocean
topic: Ocean Acidification
grade: 9
subject: Geography
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character: Marine Biologist
topic: Impact of Climate Change on Marine Ecosystems
grade: 9
subject: Geography
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character: Environmental Scientist
topic: Effects of Pollution on Ocean Health
grade: 9
subject: Geography
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character: Ecologist
topic: Biodiversity Loss in Marine Environments
grade: 9
subject: Geography
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