the ground water since only 23 percent of the ground water was used by the <span>United States as water source compared to the fresh water which is 77 percent. It is said to be that since 2005 US utilized 349,000 gallons per day. hope this helps!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!</span>
The Atlantic Ocean lies between North America South America Europe and Africa
The answer to your question is: D. rainfall and ocean waves.
Looking at both figures shows that rain and the waves have changed the terrain.
Appalachian Mountains. It has been said that they were as tall as the Rocky mountains. I hope this helped. :)