Tectonism refers to the geological processes, mostly large-scale movements of Earth's crust, that result in the formation of mountains.
This can be referred to as an irregularly formed slab of rock that is known to shift which brings about continents.
They are known to be made up of oceanic lithosphere. Hence the answer to the question is tectonism.
Read more on tectonic plates here:
https://brainly.com/question/1162125
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