Water Erosion
-water erosion is Water erosion is the removal of surface material by water from the Earth's crust and transportation of the eroded materials from the point of removal.

Wind Erosion
-wind erosion is the detachment, transportation, and deposition of loose topsoil or sand by the action wind.

Soil Erosion
-soil erosion is the mechanical process of wearing or grinding something down.

Sea Erosion
-sea erosion is the wearing away of land and the removal of beach or dune sediments by wave action, tidal currents, wave currents or drainage.