Consider the aquatic phosphorus cycle. Phosphorus is the limiting nutrient for aquatic organisms. Decomposition naturally return
s
phosphorus to the aquatic cycle, but phosphates from fertilizers, sewage and detergents can cause pollution in lakes and streams.
Over-enrichment of phosphate in freshwater can lead to which, when they die and decay, leads to
A)
a lower pH; acidification
B)
algal blooms; eutrophication
turbidity; decreased photosynthesis
D)
increased decomposition; poor growing conditions
1 answer:
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