Question

which mountains are formed out of existing mountains​

Answer 1

Answer:

Residual mountains are formed as a result of erosion of an existing elevated area. They are also called mountains of denudation.

Explanation:

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Answer 2

Explanation:

when magma pushes the crust up but hardens before erupting onto the surface,it forms so called dome mountain other type of mountain form when streeses within and between the tectonic plates lead to cracking.