One way to determine composition is to measure how the density of rock changes with depth below the Earth's surface. ... The layers of different chemical composition outward from the centre of the Earth are as follows: core, mantle, and crust. The Core. At the centre is the densest of the three layers, the core.
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Explanation:
One way to determine composition is to measure how the density of rock changes with depth below the Earth's surface. ... The layers of different chemical composition outward from the centre of the Earth are as follows: core, mantle, and crust. The Core. At the centre is the densest of the three layers, the core.
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