character: Mr. Johnson
topic: Buffers and Their Importance in Biology
grade: 9
subject: Chemistry
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character: Dr. Smith
topic: The Role of pH in Biological Systems
grade: 9
subject: Chemistry
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character: Mrs. Adams
topic: Acids, Bases, and the pH Scale
grade: 9
subject: Chemistry
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character: Mr. Lee
topic: Homeostasis and Chemical Buffers
grade: 9
subject: Chemistry
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