character: Aquatic Chemist
topic: Impact of chemical interactions in aquatic ecosystems
grade: 9
subject: Chemistry
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character: Environmental Scientist
topic: Effects of pollutants on water quality
grade: 9
subject: Chemistry
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character: Marine Biologist
topic: Role of nutrients in aquatic food webs
grade: 9
subject: Chemistry
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character: Ecotoxicologist
topic: Impact of chemicals on aquatic life
grade: 9
subject: Chemistry
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