Older and denser oceanic lithosphere is constantly subducting into the mantle at a rate equal to new lithosphere creation at divergent boundaries.
The Great Plains stretch across the entire part of central North America. This region is about five hundred miles long, from east to west, and about two thousand miles wide, from north to south. It covers an area of roughly 808 thousand square miles. The Great Plain's topography is mainly flat land. It is covered by different types of grassland. The Rocky mountain range lies to the west of the Great Plains. It covers parts of Kansas, Montana, New Mexico, Oklahoma, North and South Dakota in the USA, as well as, Alberta, Saskatchewan and Manitoba in Canada.
You may add the cost will outgrown the actual thing being done.
Soil is the thin layer of material covering the earth's surface and is formed from the weathering of rocks. It is made up mainly of mineral particles, organic materials, air, water and living organisms—all of which interact slowly yet constantly.
