character: Ms. Lee
topic: Understanding pH Levels in Food Safety
grade: 11
subject: Chemistry
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character: Dr. Wang
topic: Acid-Base Reactions in Food Preservation
grade: 11
subject: Chemistry
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character: Mr. Thompson
topic: Chemical Properties of Food and Safety Standards
grade: 11
subject: Chemistry
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character: Ms. Ramirez
topic: Role of pH in Microbial Growth and Food Safety
grade: 11
subject: Chemistry
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