FC: EROSION AND WEATHERING BY VICTOR BELLO
1: this fallen step represents erosion. (erosion is material being moved.)
2: this is frost action. frost action is water getting in cracks in a rock and freezing.
3: this is carbonic acid. carbonic acid is whitish deposits on rock.
4: this is root action. root action is roots getting in rocks and expanding
5: minerals washed away , minerals absorb, hydration
6: this is erosion the water was pushing on the wall long ago and burst through.
7: this is also erosion the water was making channels for it self.