1: What causes surface currents?
2: How many years does it take to go through the Great Ocean conveyor belt
3: In what direction does the Gulf Stream circulate?
4: How does upwelling help the ocean
5: What produces the majority of the worlds oxygen?
6: This is how currents move in the southern hemisphere
7: What is water that is still and unmoving called?
8: Which three things are transported by the Great Ocean Conveyor Belt
9: How does downwelling help the ocean
10: Thermohaline currents are also known as
11: Haline means