Where does the largest amount of upwelling occur?
a. Equatorial upwelling
b. Polar upwelling
c. Coastal upwelling
d. Mid-latitude upwelling
ANS: A
Equatorial upwelling occurs worldwide in westward flowing equatorial surface currents. Upwelling is
crucial to marine organisms because it brings nutrients from below the pycnocline to the surface.
Information can be found in the section Wind Can Cause Vertical Movement of Ocean Water.
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