If there are certain trends in the weather a trained student will be able to know if there is problems.
Theology is tested when people think of geology.
This puts a lot of undo stress on the science of geology. When the students get old enough to go out and buy their own house they will need to know where is a good place to build it or if it will just end up in a river or lake due to erosion. The science of geology is science that depends on events that happend millions of years ago. This makes people question its validity. A very visual science.