You may be thinking of the polar plateau.
The great plains are a flat area of land in the center of N.America.
The flat area of land in the center of North America is called the Great Plains. It is where a lot of the country's produce is grown, particularly corn.
The Great Plains
Northwestern North America has higher elevation than Southeastern North America. Northwestern North America is mainly mountainous while Southeastern North America is mainly flat.
The Quakers came to North America in search of land.
North America has more land.
North America is larger than South America and has more land mass
north Germany is flat and south is mountains
The land region that connects with north america and south america is central america
North America
North America
Africa, Asia, Australia, North America, South America have land in the tropics.