Question : Depression formed due to deflating action of winds are called
Option 1: Playas
Option 2: Yardang
Option 3: Ventifacts
Option 4: Sand dunes
Correct Answer: Yardang
Solution : The correct option is Yardang.
Yardangs are geological formations generated in dry or desert locations by the deflating effect of wind. They are the consequence of abrasive wind-blown particles selectively eroding soft or easily erodible sedimentary material. When prevailing winds erode weaker areas of the terrain repeatedly, they form elongated, parallel ridges and troughs, with the ridges formed of more resistant material. Yardangs, which are significant structures in desert landscapes of varied sizes and shapes, are often orientated in the direction of prevailing winds and provide unique insights into the erosional processes forming arid settings.
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