Answer: b. deposition
Step-by-step explanation:
Erosion is a phenomenon in which there is movement of rocks, sediment, or soil as a result of human activities or by the force of moving wind.
Deposition is a phenomenon when the movement of the transported materials slow down and are dropped in a new location.
Weathering is a phenomenon in which the rocks are broken by physical or chemical factors.
Compaction is a phenomenon in which there is formation of a solid specimen of defined geometry due to association of particles generally caused by compression.