The correct answer is elevated dividing point.
A. elevated dividing point
C. series of lakes
D. coastal plain
The correct answer is (A) elevated dividing point; a ridge of land that separates two different drainage areas; the crest line that divides the land drained by two different rivers; water parting; divide; the catchment area of a river system.
Watershed comes from Old English waeter (water) and sceadu (separation).
Examples of use:
- The line of watershed for several rivers lies high up in that mountain range.
- We hope that the treaty will become `one of history's great watersheds.