Thursday, February 2, 2012

Loss of Topsoil, and Soil Loss in the DUST BOWL! GAME!




                  Loss of Topsoil, and Soil Loss in the DUST BOWL!     GAME!

 Loss of Topsoil:
_Whenever soil is exposed, water and wind can quickly erode it.
_Plant cover can protect soil from erosion.
_Plants reek the force of falling rain, and plant roots hold the soil together.





Questions

 What can affect soil?

a. Human activities

b. Pollution

c. Changes in the environment

d. Both a and c



The value of soil ______ when soil loses fertility and when topsoil is lost due to erosion

a. Increases

b. Decreases


Soil can be damaged when it loses it fertility?

a. True

b. False



What can protect from erosion?
Answer: 

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