Question

The movement of water in oceans is determined by
a) difference in temperature
b) amount of rainfall
c) migration of whales. ​

Answer 1

Answer:

b) amount of rainfall

Explanation:

Answer 2

Answer:

a) The movement of water in oceans is determined by the difference in temperature.

Explanation:

Ocean currents are caused by differences in water density caused by variations in water temperature and salinity. This process is referred to as Thermohaline circulation.

Ocean water loses heat to the atmosphere in cold locations, such as the North Atlantic Ocean, and becomes chilly and dense. When sea ice forms from ocean water, salt is left behind, making the surrounding waters saltier and denser. Water that is dense, cold, and salty sinks to the ocean's bottom. The sinking water is replaced with surface water, which becomes cold and salty enough to sink.

The global conveyer belt, a connected system of deep and surface currents that circulate around the world over a 1000-year period, gets started by this.