character: Mr. James Carter
topic: Nutrients essential for strong bones
grade: 9
subject: Science
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character: Dr. Sarah Lin
topic: Calcium and its role in bone health
grade: 9
subject: Science
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character: Ms. Emily Foster
topic: Vitamin D and its importance for bone strength
grade: 9
subject: Science
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character: Coach Mike Thompson
topic: Exercise and its impact on bone density
grade: 9
subject: Science
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