character: Ms. Sarah Brown
topic: Catalysts and Their Effects on Reactions
grade: 9
subject: Chemistry
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character: Dr. Mark Ellis
topic: Chemical Reaction Rates and Catalysis
grade: 9
subject: Chemistry
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character: Ms. Jane Smith
topic: Enzymes as Biological Catalysts
grade: 9
subject: Chemistry
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character: Mr. David Lee
topic: Industrial Catalysts and Their Applications
grade: 9
subject: Chemistry
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