The way I remember the diffrence between longitude and latitude is that latitude sounds like ladder sabe ladders have the step racks / horizontal.
<span>Erosion by rivers is a main valley-forming
process; other processes, such as movement of the earth's crust and
glaciers, also have an important part in some cases. The rate at which a
river deepens its valley depends on several factors.</span>
I think reverential would be nice
