portugal is the largest producer of cork in the whole world.
answer; //////in the united states the plains include the great plains of the west and the tail grass prairie to the south of the great lakes extending east to the appalachian plateau
erosion is the process by which the surface of the earth gets worn down. erosion can be caused by natural elements such as wind and glacial ice. but anyone who has ever seen a picture of the grand canyon knows that nothing beats the slow steady movement of water when it comes to changing the earth.