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Their evidence comes from rocks at earths surface.
Inner core
Lithospheric plates are a number of rigid but moving pieces of earths surface.
The answer is tectonic plates floating on the lithosphere. Does that answer your question? LOL :)
Plate tectonics.
The tectonic plates below earths surface shape earths landforms
The Earths surface changes shape when plates collide when the earths surface overlaps or when there are Earthquakes.
That theory relates to Plate Tectonics.
Lower mantle is the surface on which the lithospheric plates move around earths surface.
there are 8 plates
Tectonic Plates
Their evidence comes from rocks at earths surface.
Inner core
plate tectonics are moving plates under the earths surface
the moving of the plates under the earths surface
Its Tectonic Activity
The tectonic plates combined together