character: Dr. Emily Carter
topic: Impact of pH levels on fish behavior
grade: 10
subject: Biology
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character: Dr. Jake Thompson
topic: Effects of water temperature on aquatic life
grade: 10
subject: Biology
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character: Ms. Laura Lin
topic: Role of dissolved oxygen in fish survival
grade: 10
subject: Biology
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character: Mr. Samuel Green
topic: Influence of pollutants on freshwater ecosystems
grade: 10
subject: Biology
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