character: Dr. Sarah Johnson
topic: Innovative Sensor Technologies for Water Quality Assessment
grade: 11
subject: Chemistry
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character: Dr. Emily Carter
topic: Advancements in Environmental Chemistry
grade: 11
subject: Chemistry
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character: Professor Mark Stevens
topic: Chemical Sensors and Their Applications in Environmental Monitoring
grade: 11
subject: Chemistry
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character: Dr. Rachel Lee
topic: Assessing Water Contamination: Methods and Technologies
grade: 11
subject: Chemistry
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