Building up and Breaking down

This topic talks different thinks like types of mountains,the shape mountains have,what is weathering and erosion,and the ifferent types of orison,etc.

weathering and erosion:

-weathering is the breaking down of rocks by natural process

-erosion is the pick up and removal of rocks particles

weathering happens first than erosion.

Soil Horizon are the different leyers of soil from surface to the bedrock

They are:

                -horizon A:it is also call topsoil

                -horizon B:it is also call subsoil

                -horizonC:It is just the broken part of the bedrock

types of mountains:

-fold mountain

-fault-block mountain