character: Catalyst Carla
topic: Catalysts and Activation Energy
grade: 9
subject: Biology
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character: Professor Reacto
topic: Role of Catalysts in Chemical Reactions
grade: 9
subject: Biology
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character: Energy Eddie
topic: Understanding Activation Energy
grade: 9
subject: Biology
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character: Biology Bella
topic: Enzymes and Their Function as Catalysts
grade: 9
subject: Biology
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