Concept:Depositional features in arid regions are formed by the settling and accumulation of wind-blown sand.Explanation:Arid regions have both erosional and depositional landforms caused by wind action.Rock pedestal, zeugen, and yardang are all erosional features carved out by wind abrasion and deflation.Barchan is a crescent-shaped sand dune formed by the deposition of sand particles.Hence, among the given options, only Barchan is a depositional feature of an arid region.Answer:B. Barchan