character: Basic Bella
topic: Buffers and pH Regulation
grade: 9
subject: Chemistry
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character: Acid Annie
topic: Importance of pH in Biological Systems
grade: 9
subject: Chemistry
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character: Clever Carl
topic: How Buffers Work
grade: 9
subject: Chemistry
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character: Professor Proton
topic: Understanding pH Scale
grade: 9
subject: Chemistry
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