character: Enzyme Eddie
topic: Enzymes and Activation Energy
grade: 9
subject: Biology
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character: Biological Bob
topic: Catalysts in Biological Reactions
grade: 9
subject: Biology
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character: Chemical Clara
topic: Chemical Reactions and Energy Changes
grade: 9
subject: Biology
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character: Reaction Rachel
topic: Factors Affecting Reaction Rates
grade: 9
subject: Biology
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