ConcepTest: Ocean Element Profiles - 1
Which element could have a depth profile in the ocean that looks like this?
A. Oxygen, an element produced during photosynthesis
B. Barium, an element required in trace amounts for micro-organisms
C. Nitrogen, a nutrient required by all phytoplankton
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No data yet. The correct response is C. This is a typical nutrient-type profile showing surface depletion and deep regeneration from remineralisation.