Correct option is D
It primarily affects medium-sized particles (sand-sized).
It's the most active and visible form of wind erosion.
It contributes to soil degradation, especially in arid and semi-arid areas.
Geological erosion (A): Refers to the natural and very slow process of soil or rock wearing away over centuries due to natural forces.
Simple erosion (B): It may refer generally to any erosion, but saltation is specifically related to wind.
Water erosion (C): Caused by rainfall, runoff, or flowing water. In water erosion, processes like splash, sheet, rill, and gully erosion are involved