1 Insertion â when a base is added to the sequence. 2  Deletion â when a base is deleted from the sequence.  Copy number variation (CNV) is a type of mutation where large chunks of DNA are inserted, repeated or lost. These regions of DNA can be between 10,000 and 5,000,000 bases long.
Wind deposition can result in dunes and loess deposits.
Erosion. Erosion factors and characteristics caused by wind, water and ice. Rates of Weathering and Processes. Ideal conditions (temperature, moisture) for certain types of weathering to occur and rates of weathering of various materials. Deposition Review. Dynamic equilibrium, properties of materials and settling rate.