The Great Lakes and Corn Belt region has about of all the metropolitan areas in the U. S.

The Great Lakes and Corn Belt region has about largest and diversed population of all the metropolitan areas in the U.S.

Explanation:

Of all the metropolitan area in the United States, The Great Lakes accompanied by Corn Belt region, is considered to be the most populous region with diversity and well educated people.

The area is also known for its agricultural productivity and is so remarked as the heart land of the North America, because of its presence in the center of the geographical location of the North America. It has the continental weather with mostly humid climate.