Answers

2015-07-27T14:11:13+05:30
Excessive richness of nutrients in a lake or other body of water , frequently due to run off from the land which causes a dense rope of plant life is called eutrophication.i.e. aquatic systems have an overabundance of nutrients.
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2015-07-27T17:04:01+05:30
Eutrophication is a natural, slowaging process for a water body, but human activitygreatly speeds up the process.
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