Answer :
Answer:
Dry valleys in deserts are called yardangs. Dry valleys are also known as bournes or hanging valleys. They are formed by water erosion, but do not have a permanent surface watercourse. Dry valleys are often found in areas of permeable rock, such as chalk or limestone, that do not regularly sustain surface water flow. The surface water sinks into the permeable bedrock.
Explanation:
Please like and follow me for more answer and question