Question

Why are the fold mountains called so?
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Answer 1

Answer:

Fold mountains are mountains that form mainly by the effects of folding on layers within the upper part of the Earth's crust.

Answer 2

Fold mountains are mountains that form mainly by the effects of folding on layers within the upper part of the Earth's crust. ... The term orogenic has derived from a Greek word meaning mountain building. These forces act at tangent to the surface of the earth and are primarily a result of plate tectonics.