character: Dr. Sarah Thompson
topic: The Role of Vitamin D in Bone Health
grade: 9
subject: Science
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character: Mr. James Carter
topic: Understanding Osteoporosis and Vitamin D
grade: 9
subject: Science
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character: Ms. Emily Liu
topic: How Sunlight Influences Vitamin D Levels
grade: 9
subject: Science
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character: Dr. Mark Reynolds
topic: The Science Behind Bone Density and Nutrition
grade: 9
subject: Science
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