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

Author Question: Which of the following is NOT one of the ways trees help to stave off desertification? a. Reduction ... (Read 63 times)

clmills979

  • Hero Member
  • *****
  • Posts: 551

Which of the following is NOT one of the ways trees help to stave off desertification?
  a. Reduction in the reflectance of solar energy hitting the earth
  b. Transpiration of water into the atmosphere
  c. Biological weathering by the tree roots
  d. Serving as natural windbreaks
  e. Pumping deep groundwater with their roots



Question 2

About how much of the Earth's surface is covered by deserts exclusive of semiarid grasslands?
  a. 10
  b. 33
  c. 66
  d. 75
  e. 90




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

31809pancho

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

C

Answer to Question 2

B





 

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

For a complete list of videos, visit our video library