character: Aquatic Biologist
topic: Impact of Pollution on Aquatic Ecosystems
grade: 10
subject: Biology
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character: Freshwater Ecosystem
topic: Effects of Nutrient Pollution
grade: 10
subject: Biology
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character: Marine Biologist
topic: Ocean Acidification and Coral Reefs
grade: 10
subject: Biology
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character: Environmental Scientist
topic: Bioaccumulation of Toxins in Aquatic Food Chains
grade: 10
subject: Biology
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