character: Dr. Lisa Harrington
topic: Chemical Parameters in Water Testing
grade: 12
subject: Chemistry
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character: Dr. Emily Carter
topic: Water Quality Assessment and Testing Methods
grade: 12
subject: Chemistry
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character: Prof. John Smith
topic: Importance of pH and Dissolved Oxygen in Aquatic Ecosystems
grade: 12
subject: Chemistry
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character: Ms. Angela Wright
topic: Analyzing Contaminants in Drinking Water
grade: 12
subject: Chemistry
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