character: Ms. Lee
topic: Introduction to Catalysts and Their Importance
grade: 9
subject: Chemistry
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character: Mr. Johnson
topic: The Role of Enzymes as Biological Catalysts
grade: 9
subject: Chemistry
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character: Dr. Smith
topic: Catalytic Converters and Environmental Impact
grade: 9
subject: Chemistry
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character: Ms. Garcia
topic: Understanding Reaction Rates and Catalysts
grade: 9
subject: Chemistry
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