Tuesday, May 8, 2012

Soil erosion



What is soil erosion?
Soil erosion is a removal of soil by wind and rain. Soil erosion occurs when soil get blown by the wind or washed away by water.

What are the causes of soil erosion?
The soil erosion caused by the weathering of rocks,wind,waves,water,heat from the sun,plants,animals,frozen water & human activities.
What are the effects of soil erosion?
The effects are the shape of land,condition of soil & water.

How can we prevent soil erosion?
We can do it by stop cutting trees, grow plants&crops along the slopes and build retaining walls to hold back slopes.