Question

what is crust refers to​

Answer 1

Answer:

“Crust” describes the outermost shell of a terrestrial planet. Earth's crust is generally divided into older, thicker continental crust and younger, denser oceanic crust. ... Earth has three layers: the crust, the mantle, and the core. The crust is made of solid rocks and minerals.

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Answer 2

Answer:

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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