character: Dr. Lee
topic: Molarity and Its Impact on Environmental Science
grade: 9
subject: Chemistry
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character: Mr. Carter
topic: Effects of Acidic Solutions on Aquatic Life
grade: 9
subject: Chemistry
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character: Ms. Smith
topic: The Role of Concentration in Environmental Pollutants
grade: 9
subject: Chemistry
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character: Mr. Johnson
topic: Chemical Reactions in Water Treatment Processes
grade: 9
subject: Chemistry
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