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Which Layer of earth is the rigid layer made up of the uppermost part of the mantel & the crust?

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Which Layer of earth is the rigid layer made up of the uppermost part of the mantel & the crust?
posted Aug 19, 2018 by Joshua Harris

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lithosphere

A lithosphere is the rigid, outermost shell of a terrestrial-type planet, or natural satellite, that is defined by its rigid mechanical properties. On Earth, it is composed of the crust and the portion of the upper mantle that behaves elastically on time scales of thousands of years or greater. The outermost shell of a rocky planet, the crust, is defined on the basis of its chemistry and mineralogy.

answer Aug 20, 2018 by Salil Agrawal
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