coust: The outer past of the earth this
layeo goes up to a depth foom 30 to 100 km
The coust mostly consists of various
kinds of socks mantle. It exists at the
depths. from 100 kms to 2,900 kms - this
constists mainly of chemicals called silicales.
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Earth's Layers: Crust, Lithosphere, Mantle, Asthenosphere, Core, Seismic ... The interior of the earth is made up of several concentric layers of which the ... The crust is a silicate solid, the mantle is a viscous molten rock, the outer core is ... by as much as 30 °C for every kilometre in the upper part of the crust.
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