The diagram below shows a body of water below Earth's surface.
To what does the "X" in the diagram refer?
a divide
a floodplain
a watershed
a water table
![The diagram below shows a body of water below Earths surface To what does the X in the diagram refer a divide a floodplain a watershed a water table class=](https://us-static.z-dn.net/files/dc6/83bca2a37361a66db9950a9c8bb2d533.png)