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Question

The is a trough-shaped hollow formed by wind erosion on a preexisting sand deposit.

A
Blowouts
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B
Ventifacts
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C
Zeugen
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Solution

The correct option is A Blowouts
The blowout is a trough-shaped hollow formed by wind erosion on a preexisting sand deposit. Deflation hollows are low-lying hollow surfaces which have been cleared of all loose particles.

Zeugen are erosional features developed in the direction of dominating wind flow in the region, table-shaped area of rock found in arid and semi-arid areas formed when more resistant rock is reduced at a slower rate than softer rocks around it.

Ventifacts are erosional features, rock pieces with smooth, ​sand-blasted facets pointing to the direction ​of dominant wind flow. ​

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