The Yardang Landforms in Xinjiang, China, are pictured below. Wind is the main force acting on the Yardang
Landforms.
Which two events are likely effects of wind on the Yardang Landforms?
A. Chemical weathering by water
B. Physical weathering from abrasion
C. Erosion wearing down the landforms
D. Glacier movement over the landforms

b. lithosphere, asthenosphere, mesosphere   is the answer most likely

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