1.

Briefly describe the earth's crust​

Answer»

In geology, a crust is the outermost layer of a planet. The crust of the Earth is composed of a great variety of igneous, METAMORPHIC, and sedimentary rocks. The crust is underlain by the mantle. The UPPER part of the mantle is composed MOSTLY of peridotite, a ROCK denser than rocks common in the overlying crust.



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