Match the given questions with the right answer:
Answer variants:
Extension of the Gulf Stream
They stop the movement of ocean water
Large circular patterns of ocean currents
A cold current flowing towards North America
Denser water that tends to sink
Deep trenches found only in the Pacific Ocean
It loses its ability to move
Influences the movement of warm and cold water
| S.No | Column A | Column B |
| 1 | Temperature differences | |
| 2 | Higher salinity | |
| 3 | Gyres | |
| 4 | North Atlantic Drift |