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 84 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?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

For a complete list of videos, visit our video library