character: Ms. Emily Chen
topic: Pollution and Its Effects on Ocean Nutrient Levels
grade: 9
subject: Science
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character: Dr. Lisa Tran
topic: The Impact of Microplastics on Marine Ecosystems
grade: 9
subject: Science
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character: Mr. John Smith
topic: Climate Change and Ocean Acidification
grade: 9
subject: Science
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character: Ms. Sarah Johnson
topic: Nutrient Pollution and Harmful Algal Blooms
grade: 9
subject: Science
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