~Andy's blog~

Weathering 

Picture
This picture is example of Biological Weathering. The tree is breaking down the wall, and it lives there. First it is really small plant, maybe it got water, sunshine and earth (rock, wall). It becomes like that.






This picture, is the tree lives on the wall. This tree break down the material.

Weathering

Picture
This is water weathering. This water breaks down the rock. There are  limes that shows the rock is broken. 







There are limes the way where the water went.

Erosion

Picture
This picture is about water erosion. The water/acid rain change it to like this.