Answer:
Rifting is defined as the splitting apart of a single tectonic plate into two or more tectonic plates separated by divergent plate boundaries. The rifting of a continental tectonic plate creates normal fault valleys, small tilted block mountains, and volcanism.
Step-by-step explanation:
It causes valleys and stuff so the earth would rip kind of, but for geologist it is good beacsue they can explore that stuff, and find things they were looking for but got burried underneath so many things like rock, and dirt.