Which of the following landforms is most commonly seen in deserts?

Playas are flat, dust-covered areas in deserts that form in the lowest points of interior drainage basins. They are ephemeral lakes that fill with water after rare rainfall and dry up to form hard-packed clay or salt surfaces. While sand dunes are iconic desert features, playas are actually more commonly encountered across desert landscapes as they form in any topographic low. Pediments and pediplains are also desert features but less common.