Question

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____ ____ are mainly at the top 100 to 200 m of the ocean, can move at a velocity of about 100 km per day, follow predictable patterns, and are driven by earth’s global wind systems.
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Explanation:

The description refers to ocean surface currents. Surface currents are mainly in the top 100 - 200 m of the ocean, move at ~100 km/day, follow predictable patterns, and are driven by global wind systems.

Answer:

Surface Currents