Which physical feature is home to Georgia's largest deep-water port and forms part of the boundary between Georgia and South Carolina?
A.
Savannah River
B.
Chattahoochee River
C.
Altamaha River
D.
St. Mary's River
A.
Savannah River
B.
Chattahoochee River
C.
Altamaha River
D.
St. Mary's River