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.
Wherever there are few plants to hold the soil in place; example: desert When the wind slows down, the sediment carried by the wind is deposited. on the ground. A deposit of windblown sand is a(n) ___sand dune. . Is wind a strong agent of erosion? Explain your answer. The wind is the weakest agent of erosion.