Nitrogen Cycle: Order the sequence in Eutrophication, which leads to Dead Zones. 1
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2
Too much algae blocks the sun and much of it dies.
Dead algae is broken down by bacteria, which consumes much of the oxygen in that body of water.
3
Too much Nitrogen is used on a field to fertilize the crops.
Rain water takes excess nitrogen to river systems.
Nitrogen causes "bloom" of algae in the ocean
4
Rivers transport nitrogen to the oceans
5
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6
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