Exam 18: The Topography of Arid Lands

A pediment is the same thing as a piedmont slope.

Most alluvial fans are ________.

Sand grains are generally made out of ________.

The main constituent of desert sand is usually quartz crystals.

Which of the following does NOT belong on the list?

The wind-caused etching or pitting of rock surfaces is termed ________.

The single most important agent of landscape formation in deserts is ________.

Sand dunes are composed mainly of individual grains of ________.

One would find the piedmont angle at ________.

In arid regions, every large canyon has an alluvial fan that grows down the piedmont slope.

Utah's Great Salt Lake is a small remnant of a much larger lake which existed when the climate was wetter.

Which is NOT a regional name for a wash or gully?

A densely-packed stream network on erodible sedimentary rocks produces ________.

A fine-grained wind-deposited surface material with extensive deposits in the midlatitudes is ________.

Stream channels in desert areas tend to be deeply incised.

Of the list below, which is the only landform that has depositional origins?

It is now clear that desertification is

Slip face is to sand dune as ________ is to ________.

Basin-and-range topography is characterized by ________ found above the basin floor and underneath the alluvial fans.

Because of short steep canyons on the east side of Death Valley no ________ are found there.