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Which are the two layers that forms the crust of the earth?

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The Earth's crust itself is the upper layer of the Lithosphere. The lower layer is called the Asthenosphere which is a highly viscous, ductile region of the upper mantle. read more

The Earth's crust itself is the upper layer of the Lithosphere. The lower layer is called the Asthenosphere which is a highly viscous, ductile region of the upper mantle. The boundary between the crust and the mantle is known as the Mohorovicic discontinuity. The Earth's crust of two distinctive types: oceanic crust and continental crust. read more

The Earth's crust is an extremely thin layer of rock that makes up the outermost solid shell of our planet. In relative terms, it's thickness is like that of the skin of an apple. It amounts to less than half of 1 percent of the planet's total mass but plays a vital role in most of Earth's natural cycles. read more

Earth's crust is Earth's hard outer layer. It is less than 1% of Earth's volume. The crust is made up of different types of rocks: igneous, metamorphic, and sedimentary rocks. read more

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The layers of the Earth
Source: zmescience.com

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