Unit 47 Review Questions

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. Which of the following landscapes is most likely to be conducive to wind erosion?

Northern forest correct incorrect

Midlatitude steppe correct incorrect

Tropical forest correct incorrect

Open desert correct incorrect

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. Silt and clay:

are rarely picked up by wind correct incorrect

are the easiest particles to be picked up by wind correct incorrect

are picked up by wind primarily after abrasion by larger particles correct incorrect

can only be picked up by wind when they exist as soil peds correct incorrect

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. Which type of wind transportation requires the strongest winds?

Surface creep correct incorrect

Saltation correct incorrect

Suspension correct incorrect

Deflation correct incorrect

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. Which part of an active sand dune has the steepest angle?

Windward slope correct incorrect

Crest correct incorrect

Slip face correct incorrect

Both the windward slope and the slip face have the same angle. correct incorrect

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. This type of dune forms when strong winds blow from two different directions:

parabolic correct incorrect

barchan correct incorrect

transverse correct incorrect

longitudinal correct incorrect

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. Loess:

is distributed fairly evenly throughout the world correct incorrect

has a high capacity to retain water correct incorrect

is composed exclusively of glacial sediments correct incorrect

ranges in size from coarse grains to fine particles correct incorrect