character: Mr. John Davis
topic: The Role of pH and Microorganisms in Aquatic Ecosystems
grade: 12
subject: Chemistry
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character: Dr. Sarah Thompson
topic: Impact of Nutrient Levels on Aquatic Microbial Communities
grade: 12
subject: Chemistry
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character: Ms. Emily Roberts
topic: The Influence of Temperature on Aquatic Life and pH Levels
grade: 12
subject: Chemistry
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character: Mr. Alex Martinez
topic: Effects of Acid Rain on Freshwater Ecosystems
grade: 12
subject: Chemistry
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