What is the natural boundary that separates the Piedmont Region from the Coastal Plain Region?

Question

A. The Fall Line
B. The Appalachian Mountains
C. The Okefenokee Swamp
D. The Shark Line

Answer 1

A. The Fall Line

The Fall Line is the natural boundary that separates the Piedmont Region from the Coastal Plain Region. It is characterized by a drastic change in elevation and typically marks where rivers descend from the upland areas of the Piedmont to the flatter coastal plains.