character: Ms. Sarah Lee
topic: Chemical Processes in Ocean Ecosystems
grade: 9
subject: Science
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character: Dr. James Carter
topic: Ocean Acidification Effects on Marine Life
grade: 9
subject: Science
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character: Professor Emily Zhang
topic: Nutrient Cycling in Coastal Waters
grade: 9
subject: Science
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character: Mr. David Kim
topic: Photosynthesis in Marine Algae
grade: 9
subject: Science
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