Continental Divide
The Continental Divide
It doesn't have to be a high ridge, but in any event, it is the 'Continental Divide'.
oklahoma's rivers flow south-east
the Ural Mountains
Rocky Mountains
your MHz ghat gig
south
The Continental Divide (in North America) marks the direction (towards the Pacific or Atlantic and Gulf of Mexico) rivers flow.
Yes
Mexico
South
Concentration gradient determines the direction of flow.
Rivers always flow downhill, regardless of compass direction. It is a myth that rivers "normally" flow from north to south.