Eutrophication Is Often Caused by Excess Limiting Nutrient Runoff from Agricultural

Eutrophication is often caused by excess limiting nutrient runoff from agricultural fields into aquatic ecosystems.This results in massive algal blooms,which eventually die and decompose,ultimately depleting the dissolved oxygen and killing large numbers of fish and other aquatic organism.Predict which of the following human actions would best address the problem of eutrophication near agricultural areas?

A) After each eutrophication event, remove the dead fish and invertebrates to place on agricultural fields instead of fertilizer.
B) Determine which limiting nutrient is responsible for the algal bloom and use other fertilizers to apply to crops.
C) Remove the algae before it dies and decomposes to prevent eutrophication from occurring.
D) Determine critical nutrient loads required for certain crops and do not exceed this amount during fertilizer application.

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