The conterminous United States predominantly lie in the zone of the westerly winds. Most of the territory of the United States lies in there territory. USA is in the northern hemisphere, and the territory is right where the coriolis effect takes place, so the winds go in eastern direction because of this natural phenomenon, so we have winds moving from west to east, thus westerly winds.
The Volga River is the main water way in western Europe. Glad to help :)
Based on the given choices above, Lake powell is the is part of the smallest percentage of freshwater. Lake powell is a reservoir on the colorado river which is locarted along rainbow bridge of Utah. COmpare to the other choices which has a vast percentage of freshwater.