Key term for Edexcel GCSE Geography B, used in Earth Structure and Plate Tectonics.
A liquid layer of molten iron and nickel, approximately 2,100–2,270 km thick, that surrounds the inner core and generates Earth's magnetic field.
Outer core appears in Edexcel GCSE Geography B revision content for Hazardous Earth, especially Earth Structure and Plate Tectonics and Structure and plate motion.
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