character: Dr. Emily Waters
topic: Threats to Aquatic Ecosystems
grade: 9
subject: Biology
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character: Prof. Jason Rivers
topic: Impact of Pollution on Water Quality
grade: 9
subject: Biology
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character: Ms. Sarah Coombs
topic: Invasive Species in Freshwater Habitats
grade: 9
subject: Biology
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character: Mr. Leo Brooks
topic: Climate Change and Its Effects on Marine Life
grade: 9
subject: Biology
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