character: Marine Biologist
topic: Impact of Nutrients on Marine Ecosystems
grade: 9
subject: Biology
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character: Ecologist
topic: Role of Nutrients in Aquatic Food Chains
grade: 9
subject: Biology
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character: Oceanographer
topic: Nutrient Cycling in Marine Environments
grade: 9
subject: Biology
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character: Environmental Scientist
topic: Effects of Nutrient Pollution on Coastal Habitats
grade: 9
subject: Biology
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