The answer would be the cracking of rock caused by the freezing and thawing of water.
<span>Sometimes, water evaporates and leaves minerals behind. These rocks are called evaporites. These kinds of rocks are often interbedded with other sedimentary rocks like mudstones and siltstones. They get chemically precipitated due to the process of evaporation of a particular aqueous solution. </span>
The degree of vertex D is if it is an indegree or outdegree, it is 1 degree in vertex D.
