This topic contains a solution. Click here to go to the answer

Author Question: The world's desert regions _____. a. have always had arid climates b. are 99 percent covered by ... (Read 137 times)

a0266361136

  • Hero Member
  • *****
  • Posts: 538
The world's desert regions _____.
 a. have always had arid climates
 b. are 99 percent covered by active sand dunes
  c. are fragile environments
 d. have no vegetation
 e. have no topographic relief

Question 2

Wind-blown dust-sized particles of silt and clay can settle out to form thick blankets of sediment called _____ that may cover or bury the existing topography over widespread areas.
 a. barchans
 b. seif
 c. deflation hollows
  d. loess
 e. clay pan



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

djpooyouma

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

c

Answer to Question 2

d





 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

For a complete list of videos, visit our video library