NCEA Level 3 Earth And Space Science Practice Questions - New Zealand NCEA Level 3 Earth And Space Science Exam

Which of the following primary mechanisms drives deep-ocean thermohaline circulation?

Density differences resulting from variations in seawater temperature and salinity Surface wind stress driven by the prevailing trade winds and westerlies Gravitational attraction between the Earth, Moon, and Sun causing tidal flow Geothermal heat flux from mid-ocean ridge hydrothermal vents

Correct Answer:

Density differences resulting from variations in seawater temperature and salinity

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