character: Dr. Lisa Cheng
topic: Impact of Acid Rain on Freshwater Bodies
grade: 12
subject: Biology
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character: Dr. Emily Patel
topic: Effects of Pollution on Aquatic Ecosystems
grade: 12
subject: Biology
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character: Mr. John Smith
topic: Chemical Composition of Freshwater Bodies
grade: 12
subject: Biology
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character: Prof. Rachel Adams
topic: Acidification and Its Impact on Biodiversity
grade: 12
subject: Biology
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