character: Mr. Robert Johnson
topic: Understanding the Chemical Composition of Ancient Manuscripts
grade: 9
subject: Chemistry
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character: Dr. Emily Carter
topic: The Role of Ink in Historical Documents
grade: 9
subject: Chemistry
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character: Professor Sarah Mitchell
topic: Preservation Techniques for Ancient Texts
grade: 9
subject: Chemistry
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character: Ms. Linda Foster
topic: Analyzing Pigments in Historical Artifacts
grade: 9
subject: Chemistry
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