1. Ocean currents are driven by a range of sources the wind, ____, changes in water density and the rotation of the earth. 2. Ocean currents fall into 2 main categories, ____ and deep ocean currents. 3. In the open ocean, the ____ is a major force behind surface currents. 4. Surface currents form big loops called ____. 5. ____ effect tends to deflect moving objects to the right in the northern hemisphere 6. Vertical current setup due to density difference is called ____ circulation. 7. Thermohaline circulation and surface currents combine to form a winding loop called the Global ____ belt.

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