Answer: tectonic movements, shifts in the earth. volcano eruptions, fault movement in the crust, etc.
<span>Movements of tectonic plates create volcanoes along the plate boundaries, which erupt and form mountains.</span>
Mountains are formed by the movements of the tectonic plates and Earth's. Movements deep beneath the Earth's surface cause a variety of reactions, and the results in different types of mountains. Mountains can form as a result of the volcanic activity, the collision of 2 tectonic plates or a movement along a fault line.
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