What is the internal structure of the earth?
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The Earth is made up of 3 main sections: the core, mantle and crust. At the centre of the earth lies the core. This is split into two sections: the inner and outer core. The inner core is solid and is composed of iron and nickel.
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The Earth is made up of 3 main sections: the core, mantle and crust.At the centre of the earth lies the core. This is split into two sections: the inner and outer core.The inner core is solid and is composed of iron and nickel. It is approximately 1,221 km thick and has a density of 12.8g/cm3 at the top of the section and 13.1g/cm3 at its deepest point
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