What mainly drives deep-water currents?
APrevailing winds
BLarge tidal bores
CDensity differences
DSea floor quakes
Answer & Solution
Correct answer: C. Density differences
1. Deep-water currents form where seawater density differs.
2. Density depends on temperature and salinity.
3. Winds mainly drive the surface currents.
_Source: Wikipedia, Ocean current, Causes_
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