Steep sides and often dry valleys in the desert are called? by Sunday | Mar 18 | Geography WAEC | 0 comments A. wadis B. hamada C. mesa D. reg Correct Answer: Option A A. wadis Users Also Read These:Which of the following favours the formation of rift…A political party often with a radical viewpoint and…The wearing away of the sides and bottom of a river…The method of irrigation suitable for use on a steep…Desert plants are usually called?