Had to look for the options and here is my answer. Basically, when we say eukaryotes, these are kinds of organisms which consists of cells that has DNA and other organelles that are enclosed by a membrane. In this case, the size of the primary transcript is generally THE SAME LENGTH the gene in the template of the DNA strand. Hope this helps.
For example if Water got into a rock it would expand eventually cracking the rock then the water melts and freezes again and the process continues. I think this would be chemical weathering but im not sure
