5 facts about erosion
A way to prevent erosion is to plant plants.
Wind and water cause erosion.
Rocks , oxygen, water, and material are in soil .
Erosion can cause rocks to change shape or size.
The plants slow erosion because the plants roots hold the soil together.
This is a picture of erosion . http://i.treehugger.com/images/2007/10/24/lester-soil-erosion-d001.jpg