The Atlantic Ocean.
Potomac River, for a short distance.
The Ohio River forms the western boundary of West Virginia.
The Atlantic Ocean forms the state's eastern boundary.
The Potomac River divides Maryland and Virginia (The Southern Border) , but Virginia does not own half of the Potomac River.
It is usually a plane shape that forms a boundary of the figure..It is usually a plane shape that forms a boundary of the figure..It is usually a plane shape that forms a boundary of the figure..It is usually a plane shape that forms a boundary of the figure..
Spain forms the eastern boundary of Portugal.
the country that forms the northern boundary of the United States is Canada :)
The Mississippi river forms the boundary between Missouri and Illinois!
a transform boundary
Divergent Boundary.
The Ohio River forms Ohio's southern boundary. It serves as a natural border between Ohio and West Virginia, as well as Kentucky. This river is a significant waterway in the United States, flowing westward before joining the Mississippi River.
The sartorius muscle forms the lateral boundary of the femoral triangle.