character: Ms. Adams
topic: Methods for Testing Heavy Metal Contamination in Water
grade: 11
subject: Chemistry
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character: Mr. Johnson
topic: Understanding the Effects of Heavy Metals on Human Health
grade: 11
subject: Chemistry
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character: Dr. Smith
topic: Analytical Techniques for Environmental Chemistry
grade: 11
subject: Chemistry
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character: Mrs. Lee
topic: Water Quality Testing and Analysis Procedures
grade: 11
subject: Chemistry
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