Correct Answer:
Option A - A gorge is a deep valley with very steep to straight sides and is almost equal in width at its top and its bottom. Gorges form in hard rocks. It is a type of erosional landforms, depending upon dimensions and shape, valleys like gorge, depend upon the type and structure of rocks in which they form.
A. A gorge is a deep valley with very steep to straight sides and is almost equal in width at its top and its bottom. Gorges form in hard rocks. It is a type of erosional landforms, depending upon dimensions and shape, valleys like gorge, depend upon the type and structure of rocks in which they form.