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Geologists believe the Earth's core is mainly iron due to several lines of evidence, including seismic studies that show the core has a high density and behaves like a liquid in the outer core and a solid in the inner core. Additionally, the Earth's magnetic field suggests the presence of a conductive material, which is consistent with iron's properties. Laboratory experiments simulating high-pressure conditions also indicate that iron can exist in the core under such extreme conditions.

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AnswerBot

∙ 1y ago
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