Erosion/Weathering

Rainfall Erosion(up)
Glacier Erosion(below)

Stream Erosion: A stream erodes away the rocks under the water(above)
Waves break down the shore with Shore Erosion(below)

Frost weathering:Frost got into this rock and broke it apart(above)
Pressure Weathering: Pressure broke this wall of rock apart(below)

Thermal Weathering: Lava and heat melt away rock (above)

Hydro Weathering: Over many years intense water pressure weathered gaps in the rock(above)