Crust is the Earth's outermost layer.Thecrust is made up of tectonic plates, which are in constant motion.
Answer:
Unless the land it totally flat, rivers of water run downhill. ... If the source of a river is at a higher elevation than the mouth, that river will run from the source to the mouth. However, if that (higher) source is to the south of the mouth, that river will then flow to the north (downhill).
I would say B. Ever hear the phrase, "warm air rises"?
It is either a data tool or a GIS(geographic information system
