Question

what is called tectonic​

Answer 1

$<font color=green>A tectonic plate (also called lithospheric plate) is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere. Plate size can vary greatly, from a few hundred to thousands of kilometers across; the Pacific and Antarctic Plates are among the largest.$

Answer 2

Pertaining to the structure of the earth's crust. referring to the forces or conditions within the earth that cause movements of the crust.

Designating the results of such movements: tectonic valleys.

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