Just like convection in air, when denser water sinks, its space is filled by less dense water moving in. This creates convection currents that move enormous amounts of water in the depths of the ocean.
Answer:
Atacama is located at 3.
Amazon River Basin is located at 2.
1 is the Galapagos Islands
4 is probably the Andes Mountains
5 is the Falkland Islands
(Correct Answer is B)
You can try Texas and Pennsylvania
By siltation, as part of the bed load