character: Dr. Sarah Wallace
topic: Maya Metallurgy Techniques and Their Chemical Properties
grade: 9
subject: Chemistry
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character: Dr. Emily Johnson
topic: Ancient Civilizations and Their Use of Metals
grade: 9
subject: Chemistry
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character: Professor Mark Thompson
topic: Chemical Properties of Metals in Archaeology
grade: 9
subject: Chemistry
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character: Dr. Carlos Mendoza
topic: Comparative Study of Metallurgical Techniques Across Cultures
grade: 9
subject: Chemistry
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