character: Mr. Jason Lee
topic: The impact of acid rain on freshwater ecosystems
grade: 10
subject: Biology
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character: Ms. Sarah Thompson
topic: Effects of pollution on aquatic life
grade: 10
subject: Biology
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character: Dr. Emily Chang
topic: Understanding pH levels in freshwater environments
grade: 10
subject: Biology
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character: Mr. David Robinson
topic: Mitigation strategies for acid rain effects
grade: 10
subject: Biology
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