Desert Processes (Chapter 19)

Question 1

What causes deserts to form?

Answer 1

Factors include high-pressure zones, rain shadows, cold ocean currents, and distance from moisture sources.

Question 2

Define eolian processes.

Answer 2

Erosion, transport, and deposition by wind, including saltation, suspension, and traction.

Question 3

What is a sand dune?

Answer 3

A hill or ridge formed by the accumulation of windblown sand, migrating with prevailing winds.

Question 4

What happened to the Aral Sea?

Answer 4

Extensive water diversion for agriculture caused its drastic shrinkage, leaving behind dry lake beds and stranded ships.