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Name the fertilizers whose excessive pre...

Name the fertilizers whose excessive presence in water bodis results in algal growth. What is the consequency of eutrophication.

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Nitrates and phosphates.
The aerobic decomposers present in the water body become active on dead algae. They consume repidly the dissolved oxygen of the water and decompose these dead algae. In the absence of dissolved oxygen, all life in water body dies.
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