|
|
|
2
|
A chemical formed from the oxygen in air reacting with the chemicals in rocks.
|
|
4
|
Occurs when chemical reactions cause rock to break down.
|
|
5
|
Wearing down of rocks caused by friction.
|
|
6
|
The process the wears down and carries away rock and soil.
|
|
7
|
Breaks or cracks rock from ice freezing in the cracks of rock.
|
|
8
|
Simple plant that can grown on bare rock.
|
|
9
|
The process in which sediment is laid down in new places.
|
|
10
|
Rocks breaking from the growth of roots.
|
|
11
|
The breaking down of rock into smaller pieces.
|
|
12
|
Small, solid pieces of rock moved by wind or water as a result of erosion.
|
|
|
