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Aeolian processes: Quiz


Question 1: ________, iron oxides, hydroxides, and clay minerals form most varnishes and provide the shine.

Question 2: Sand blowing off a crest in the Kelso Dunes of the ________, California.
Colorado PlateauMojave DesertGreat BasinSonoran Desert

Question 3: Small whirlwinds, called ________, are common in arid lands and are thought to be related to very intense local heating of the air that results in instabilities of the air mass.
KenyaTornadoIranDust devil

Question 4: Aeolian turbidity currents are better known as ________.
Dust stormIranSudanBahrain

Question 5: The Selima is absolutely flat in some places; in others, active ________ move over its surface.
Drainage basinOxbow lakeDuneSediment transport

Question 6: Crops, people, villages, and possibly even ________ are affected by dust storms.
ClimateRainMeteorologyPrecipitation (meteorology)

Question 7: The Selima Sand Sheet, which occupies 60,000 square kilometers in southern ________ and northern Sudan, is one of the Earth's largest sand sheets.

Question 8: In Europe and in the ________, accumulations of loess are generally from 20 to 30 meters thick.
South AmericaNorth AmericaAmericas (terminology)Americas

Question 9: Deposits of this windblown silt are known as ________.

Question 10: Winds may erode, transport, and deposit materials, and are effective agents in regions with sparse vegetation and a large supply of unconsolidated ________.
Sedimentary rockErosionSediment transportSediment


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