character: Mr. David Kim
topic: Factors Affecting Reaction Rates
grade: 9
subject: Science
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character: Ms. Sarah Lee
topic: Impact of Temperature on Reaction Rates
grade: 9
subject: Science
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character: Mr. John Smith
topic: Catalysts and Their Effects on Reaction Rates
grade: 9
subject: Science
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character: Dr. Emily Chen
topic: Concentration and Its Role in Reaction Rates
grade: 9
subject: Science
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