Question

forms the arch of a mountain
​

Answer 1

The anticline forms the arch of a mountain.

Explanation:

The anticline is a type of fold that is arc-like shaped and has a convex shape and hinge or crest in location to curvature is greatest and limbs at the side.

It usually develops a thrust fault during the crustal deformation. The uplifted fold causes the compression that erodes away the stratigraphic levels. They can form angle of 70 to 120 degrees.