"Ocean currents result from two processes: the wind on the surface of the water and variation in water temperature and density. These ocean currents are convection currents. Under the tropical sun, water at the equator warms up. At the frigid poles, seawater cools down and sinks. Convection cells are set up with warm water moving along the surface to the poles and deep cold water flowing toward the equator. Changes in the density of ocean waters, caused by changes in salinity re also important in the formation of ocean currents. Ice formation near the poles leaves salt behind in the remaining water. This denser, more saline water sinks, creating its own density-driven currents. Surface winds also set surface currents into motion."

Can you pick the statements that accurately describe oceans currents? Check all the statements that are true.

'Both the wind and solar energy influence ocean currents.'
'Warm water flows away from the equator toward the poles.'
'As the salinity of ocean water increases, density decreases.'
'Cold water sinks, warm water rises, creating a convection current.'

'The more salinity the denser the water is. For the last statement that is meant as a trick question as the paragraph above describes cold water sinking and warm water rising it says "Convection cells are set up with warm water moving along the surface to the poles and deep cold water flowing toward the equator." see the problem here this choice is too vague while the other two are exactly what was in the paragraph so the correct answers are Both the wind and solar energy influence ocean currents.' Warm water flows away from the equator toward the poles.'

batolisis batolisis · Answer 2 · 2021-10-14T13:36:52+02:00

The statements that accurately describe ocean currents are ; ( 1 and 2 )

Both the wind and solar energy influence ocean currents
Warm water flows away from the equator towards the poles

From the excerpt warm ocean water is built up at the equator and the warm water flow towards the pole while the seawater at the poles freezes and sinks because the temperatures at the poles are very low with less sunlight.

The sinking of cold water and the rising of warm water both leads to the formation of the required convection currents carried by oceans as well as the density and temperature found in the waters located in the equator and frigid poles respectively

Hence we can conclude that the options that accurately describe ocean currents are ; Both the wind and solar energy influence ocean currents and Warm water flows away from the equator towards the poles.

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