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The rigid layer that is the upper mantle and crust is called the lithosphere.
The lithosphere is composed of the crust and uppermost mantle. Combined, they form the lithospheric plates.
Together the crust and upper mantle make the lithosphere.
the Lithosphere or Lithospheric Plates
Together the crust and upper mantle make the lithosphere.
a rigid layer that can break under stress
lithosphere
the Lithosphere or Lithospheric Plates
Lithosphere.
The Lithosphere comprises both Upper Mantle and Crust.
the Lithosphere or Lithospheric Plates
That would be the Lithosphere. :D