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The rock which is well polished by wind abrasion is called _____________

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The rock which is well polished by wind abrasion is called _____________

(a) Yardangs

(b) Pedestal rock

(c) Ventifacts

(d) Desert pavements

The question was asked during an interview for a job.

The query is from Geological Work of Wind topic in division Geological Work of Natural Resources of Engineering Geology

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Correct choice is (c) Ventifacts

The explanation: Ventifacts are small sized rock fragments showing one, two or three or even more typically wind-polished surfaces called faces. The polishing of different sides of originally rough fragments is caused by prolonged wind abrasion.

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