Question

blank act like a large rivers in the earths oceans and help spread earths heat and shape climates

Answer 1

Answer

Ocean currents

Explanation

Oceanic currents are the movement of sea water from one point to another.They can be caused by wind, differences in density of water masses , gravity or events of earthquakes.Ocean currents are measured in knots.Ocean currents can be surface currents or deep water currents.