character: Dr. Sarah Morgan
topic: Impact of Chemical Contaminants on Water Supply
grade: 12
subject: Geography
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character: Mr. James Allen
topic: Geographical Distribution of Water Contaminants
grade: 12
subject: Geography
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character: Ms. Emily Roberts
topic: Water Quality Testing and Chemical Analysis
grade: 12
subject: Geography
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character: Dr. John Mitchell
topic: Regulatory Frameworks for Water Safety
grade: 12
subject: Geography
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