character: Eco-Friendly Emily
topic: Impact of Pollution on Water Quality
grade: 9
subject: Biology
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character: Eco-Friendly Emily
topic: Biomagnification in Aquatic Ecosystems
grade: 9
subject: Biology
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character: Eco-Friendly Emily
topic: Effects of Eutrophication on Marine Life
grade: 9
subject: Biology
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character: Eco-Friendly Emily
topic: Water Filtration Methods and Their Efficacy
grade: 9
subject: Biology
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