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Assessment
What is the primary role of ocean currents in nutrient distribution?
They transport and mix nutrients throughout different ocean layers.
They solely carry warm water from equatorial regions.
They prevent nutrient availability by stabilizing the water column.
They are mainly responsible for controlling sea levels.
How do upwelling currents affect marine ecosystems?
They bring nutrient-rich water from the deep ocean to the surface.
They increase salinity in surface waters.
They limit light penetration in water.
They create a barrier for migratory fish.
Which of the following currents is known for its significant role in transporting nutrients in the North Atlantic?
The Gulf Stream
The Antarctic Circumpolar Current
The California Current
The Equatorial Current
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