Hot Desert Landforms Quiz 2.0 / 5 based on 1 rating ? GeographyHot and cold environmentsASOCR Created by: Former MemberCreated on: 02-01-13 16:06 Define a Yardang? A narrow, streamlined ridge, that are usually three to four times longer than they are wide 1 of 6 How is a Yardang formed? Softer rock is eroded by sand carried in suspension, the harder rock remains leaving long ridges of hard rock 2 of 6 A sand dune forms when? Sand dunes carried by suspension are deposited as the wind slows down 3 of 6 A crescent-shaped sand dune must be a? Barchan dune 4 of 6 An isolated flat-topped, steep sided landform in an arid area is? A Mesa 5 of 6 A seif dune forms when? When the wind changes direction and a barchan dune become elongated at a different angle 6 of 6
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