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The Lithosphere

 




The outermost solid surface layer of the atmosphere is called Lithosphere. It is also called Crust.





The word lithosphere is derived from Greek word "lithos" which means "stones".

The surface of the earth is not flat . It is uneven, with different kind of landforms - mountains, hills, valleys and plateaus.

The crust is covered by the thin layer of soil .

The lithosphere is the realm of the Earth, through which most of the needs of human beings are fulfilled.

  • Land is needed for human settlements .
  • Soil is essential for agriculture.
  • Industries get vital minerals and other raw materials from the lithosphere .


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