Soil erosion   
What is Soil erosion?
Soil erosion is the removal of soil by wind and rain. Soil erosion occurs when soil gets blown by the wind or washed away.
What is the causes of soil erosion?
The causes of soil erosion is weathering of rocks,wind,waves,water,heat from the sun,plants,animal,frozen water and human activities.
What are the effects of soil erosion?
The effects of soil erosion is the shape of land,condition of soil and condition of water.

 How can we prevent soil erosion?
we can prevent soil erosion by stop cutting trees unnecessarily as this exposes the soil to the sun, rain and wind, grow plants and crops along the slopes of hills and mountains and build retaining walls to hold back slopes of hills and mountain