Question

what is the Earth crust composed of?​

Answer 1

The crust is made of solid rocks and minerals. Beneath the crust is the mantle, which is also mostly solid rocks and minerals, but punctuated by malleable areas of semi-solid magma. At the center of the Earth is a hot, dense metal core.

Answer 2

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The crust of the Earth is composed of a great variety of igneous, metamorphic, and sedimentary rocks.