Which of the following physical features serves as a natural boundary that separates the Piedmont and Coastal Plain regions?
A.
Okefenokee Swamp
B.
Chattahoochee River
C.
Fall Line
D.
Appalachian Mountains
A.
Okefenokee Swamp
B.
Chattahoochee River
C.
Fall Line
D.
Appalachian Mountains