character: Dr. Adams
topic: The Role of pH in Biological Systems
grade: 9
subject: Chemistry
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character: Ms. Green
topic: Acid-Base Reactions in Living Organisms
grade: 9
subject: Chemistry
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character: Mr. Smith
topic: The Importance of pH in Human Physiology
grade: 9
subject: Chemistry
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character: Prof. Johnson
topic: pH Levels and Enzyme Activity
grade: 9
subject: Chemistry
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