Moss produces a weak acid that dissolves the rock.
weathering
Beach waves help build up sand and pebbles onto the shore.
deposition
Water gets into cracks of rocks and expands. The rock splits.
weathering
A river cuts through a rock forming a canyon.
erosion
The flow of the river slows down and drops sediment to form a delta.
deposition
Acid rain falls on a rock statue and over time dissolves parts of it.
weathering
U-shaped valleys form due to sediment moved by a glacier.
erosion
A salt dome is a hill of salt that has formed due to marine water evaporating.
erosion
A glacier moraine is a build up of dirt and rock left by the glacier.
deposition
An arch can be formed by wind hitting a rock and creating a hole.
weathering
Lightning strikes and cracks rocks on a mountain.
weathering
A tree grows into a rock and the rock breaks apart over time.
weathering
