Trees serve as natural filters so the effect on water quality would be so much you prob couldn't use or drink. it could also make to much water so the watershed could not handle it causing to create more rivers and more and multiple and frequent flooding, to much water, and other bad things.
Uniformitarianism- the theory that changes in the earths crust during geological history have resulted from the action of continuous and uniform processes
I believe because some prats of south amsica where conceyed by different people Spain and proutugul and because of the different tribes of native poeple
