Concept:Wind deposition forms landforms when wind loses energy and drops transported sand.Explanation:A barchan is a crescent-shaped sand dune built by wind-deposited sand. Rock pedestal, yardang, and zeugen are carved by wind erosion, not deposition. Among the options, only the barchan results from the accumulation of wind-blown material. Hence, the landform associated with wind deposition is the barchan.Answer:A. Barchan