character: Nancy
topic: The Importance of Hydrochloric Acid in Nutrient Absorption
grade: 9
subject: Chemistry
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character: Sarah
topic: Vitamins and Minerals: Their Role in the Human Body
grade: 9
subject: Chemistry
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character: Mike
topic: Digestive Enzymes and Their Functions
grade: 9
subject: Chemistry
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character: Anna
topic: The Role of pH in Digestion
grade: 9
subject: Chemistry
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