Question

The lithosphere is also known as _________________

Answer 1

Answer:

Crust or land

Explanation:

=> The continental lithosphere is also called the continental crust.

=> It is the layer of igneous, sedimentary rock that forms the continents and the continental shelves.

=> This layer consists mostly of granitic rock. Continental crust is also less dense than oceanic crust although it is considerably thicker(25 to 70 km versus 7-10 km).

=> About 40% of the Earth’s surface is now covered by continental crust, but continental crust makes up about 70% of the volume of Earth’s crust.

=> Most scientists believe that there was no continental crust originally on the Earth, but the continental crust ultimately derived from the fractional differentiation of oceanic crust over the eons.

=> This process was primarily a result of volcanism and subduction.

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