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In the context of ecosystem productivity, marine upwelling zones are important as they increase marine productivity by bringing the

,

In the context of ecosystem productivity, marine upwelling zones are important as they increase marine productivity by bringing the:

(a)

Decomposer microorganisms to the surface

(b)

Nutrients to the surface

(c)

Bottom-dwelling organisms to the surface

(d)

None of the above

Explanation

Marine upwelling zones bring nutrient-rich water to the surface, enhancing marine productivity and supporting fisheries.