Plains+and+lowlands

=Continents were made by the erosion of the shield regions. The rivers and glaciers carried the material, which is sediment and then all of it goes to the seas.When it has settled, it becomes really thick beds of sedimentary rock. Plains and lowlands were many layers of sedimentary rock all in a horizontal line. An example of the a type of the plains is The Great Plains located right in the middle of North America. The location is also known as central North America. Lowlands are plains located at the costlines. An example for that is the Great-St. Lawrence Lowlands.=

=Plains are broad land that stretch out as far as the eye could see. They don't have much elevation but they do just not huge changes. When people think of plains, they think of very flat areas but that is not entirely true because they sometimes will have small hills. Plains can be found by a coast or inland. The coast plains usually rise from the sea level until they reach a mountain or plateau. Inland plains can have high altitude. Plants in the plains are controlled by weather. If it is humid then more forests will grow. But in the grasslands it will be more dry. Plains have good soil so it would be good for farming and the flat land makes it easier for people to build things that connect to other places such as railroads. Their are also such plains that are called flood plains. Flood plains are the floor of a river valley. They are formed by mud, sand, and silt left by rivers overflowing the banks. The materials are carried by water. It can collect huge amounts and sometimes it ends up in the flood plains.=



By: Peggy