Which is most likely to change the shape of a landform?

There are a number of forces that change the shape of land forms, weather or climate (wind and water) or geophysical (earthquakes or volcanic eruptions) being most likely and most dramatic. Human activities are also a major factor, such as excavating for the purpose of mining or building structures or clearing forests and other vegetation for purposes of building or food production.

The basic repeating unit of nucleic acids are known as nucleotides. a nucleotide consists of three distinct chemical groups.