FiltersDone

Question type

Essay

Multiple Choice

Short Answer

True False

Matching

Exam 14: The Work of Wind and Deserts

Show Answer

Share

---

All types

Filters

Study Flashcards

Question 41

Short Answer

Review LaterAdd Note

Review Later

The size of material that is frequently carried as suspended load by wind is ____________________ and ____________________.

Correct Answer

verified

silt, clay...

View Answer

Show Answer

Question 42

True/False

Review LaterAdd Note

Review Later

Desertification is a cause of concern as arable regions are lost as the deserts are expanding.

A) True
B) False

Correct Answer

verified

Show Answer

Question 43

Essay

Review LaterAdd Note

How does air flow with regard to air pressure? How would air flow on Earth if the planet didn't rotate? How does air flow since it does rotate?

Why do dunes form? How are they self-generating?

Wind erodes by:

Why are flash floods and sheet flows common in deserts? What do these events have to do with erosion in the desert?

What are some of the ways in which desert plants have adapted to the conditions in which they live?

Briefly explain why most deserts develop in the mid-latitude dry climate zone.

High pressure troughs exist where cooler, denser air begins to descend at about ____________________ to ____________________ degrees latitude, N and S.

Describe sediment transport as bed load, including saltation.

A saline, temporary lake in a desert is known as a(n) ____________________ lake.

What are alluvial fans, and why are they common in desert mountain ranges?

Dunes that form long ridges perpendicular to the prevailing wind direction in areas with abundant sand and little vegetation are ____________________ dunes.

All dunes originate in desert conditions.

Wind travels at a _____ speed than water but has a _____ density which allows it to carry mainly clay- and silt-size particles.

What are the four major dune types generally recognized?

Explain how wind can be a significant intercontinental agent of erosion and deposition.

Long, parallel ridges of sand aligned perpendicular to the wind direction are:

Deserts mostly occur at ____ latitudes.

What is desertification? Which regions are most susceptible to desertification? What causes desertification, and what are its effects?