Water plays an important role in weathering and breaking down rock. ... Forces like wind and water move the rock pieces. They mix with matter like sand to become sediment. Weathering and erosion help shape Earth's surface.
The Great Divide is the physical region of North America which runs the greatest distance from North to South, it runs along the spine of the <span>mountains from Alaska to South America. It is also known as the Continental Divide of the Americas, going from the Behring Strait to the Strait of Magellen, and covers the Rocky Mountains to the Andes, it is known for being the highest elevation.</span>
The lowlands west of Australia´s eatern mountain range are drained by the Murray-Darling River system, with its main headwaters in the <em>Great Artesian Basin.</em>
These factors contribute to the development of the population.This phenomena had happened in the last 2 centuries in all of the countries to help to improve the conditions of the life.
