alleryStart learning →Prevailing winds push surface water away from a coastline. What replaces the water that leaves?
ANutrient rich water from the deep
BNutrient poor water from a river
CWarm water from the open ocean
DFresh water from below the shore
Answer & Solution
Correct answer: A. Nutrient rich water from the deep
1. Organisms that die in open water sink and take their nutrients with them.
2. Those nutrients are locked away on the bottom unless something lifts them.
3. When wind drives surface water offshore, water from the bottom rises to fill the gap.
4. That rising deep water is upwelling, and it carries the sunken nutrients back into reach.
5. River water would arrive from the land rather than from the ocean floor.
_Source: OpenStax Biology 1e (CC BY 4.0), Chs 44 and 46, section 44.2 Biogeography_
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