Selasa, 08 Mei 2012

Soil Erosion

SOIL EROSION

Q: What is soil erosion?
A: It is the removal of soil by wind and/or rain.
    It occurs when soil gets blown away by wind
    or washed away by water.
Soil Erosion Soil Erosion Causes
Q: What are the causes of soil erosion?
A: There are four causes of soil erosion
   -Speed and volume of running water,
   -Amount of vegetation,
   -Dryness and size of soil particles.
   -Slope of land

Q: What are the effects of soil erosion?
A: There are three effects of soil erosion:
   -Shape of land,
   -Condition of soil,
   -Condition of water.

Q: How can we prevent soil erosion?
A: There are three ways we can prevent soil erosion:
   -Stop cutting down trees unless necessary,
   -Grow plants along slopes,
   -Build retaining walls to hold back slopes.

Q: What can I do to prevent soil erosion?
A: You can:
   -Plant trees and plant
   -Make an online campaign to stop people to cut down trees.





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