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.
In the the region where wind is blowing across the. ocean surface and waves are being generated, the sea surface is characterized by steep waves. with many different lengths moving randomly in. the direction of the wind. This condition is referred. to as sea.