When a plate is pulled under another plate and melts into magma it is called subduction.
The oceanic crust is more dense compared to the continental crust.
This would be the north as back during the reconstruction era, the north (Tom Watson's group) wanted to be more efficient and industrialized.
Reference: Georgia Studies Unit 6 notes
Hi there!
Your answer would be ~ B) It is located in the Darling river
Hope this helps you!
~DL