Exam 21: Dry Regions: the Geology of Deserts

Areas with relatively scarce sand and constantly shifting winds will develop ________ dunes.

The saltation of sand involves ________.

Fine-grained,wind-blown sediments are eventually deposited as ________.

Coastal region deserts are most likely near ocean currents that are ________.

The geometry of sand dunes is NOT strongly influenced by the ________.

Deserts represent ________ of Earth's surface.

An apron-shaped pile of alluvium that forms at the mouth of a canyon is known as a(n)________.

To qualify as a desert,a region must ________.

Very hot air just above the ground creates a wavering pool of light on the ground known as a(n)________.

Desert varnish consists of ________.