character: Calcium Carol
topic: Importance of Calcium for Teenagers
grade: 9
subject: Science
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character: Nutrition Nancy
topic: Role of Minerals in Teen Diet
grade: 9
subject: Science
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character: Health Harold
topic: Calcium Needs During Adolescence
grade: 9
subject: Science
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character: Bone Builder Ben
topic: How Calcium Affects Bone Growth in Teens
grade: 9
subject: Science
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