character: Dr. Sarah Johnson
topic: Environmental Impacts of Water Pollution
grade: 12
subject: Chemistry
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character: Dr. Emily Carter
topic: Chemical Analysis of Pollutants in Water
grade: 12
subject: Chemistry
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character: Mr. Daniel Smith
topic: Effects of Water Contamination on Ecosystems
grade: 12
subject: Chemistry
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character: Ms. Linda Green
topic: Mitigation Strategies for Water Pollution
grade: 12
subject: Chemistry
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