character: Mr. David Thompson
topic: The Importance of pH Levels in Maintaining Equilibrium
grade: 11
subject: Biology
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character: Ms. Linda Johnson
topic: Understanding Acid-Base Reactions and pH
grade: 11
subject: Biology
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character: Dr. Emily Carter
topic: The Role of pH in Human Physiology
grade: 11
subject: Biology
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character: Mr. James Anderson
topic: pH Levels in Aquatic Ecosystems
grade: 11
subject: Biology
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