Which geological feature plays a role in determining the boundary of watersheds?
a)River systems
b) Ridge lines
c) Tributaries
d) Flood plains
![Which geological feature plays a role in determining the boundary of watersheds aRiver systems b Ridge lines c Tributaries d Flood plains class=](https://us-static.z-dn.net/files/d52/27f595f65b4312a713dd006743224358.png)