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(i) What is eutrophication?
Enrichment of water bodies; with nitrate/phosphates/ammonium sulphate/nutrients due to discharge of sewage/run off water containing fertilizers, leading to rapid growth of surface phytoplanktons;
(ii) What are the effects of eutrophication?
Block light from reaching plants underneath which will not photosynthesize. The plants die and decompose leading to lack/depletion of oxygen, animals suffocate and die.
johnson mwenjera answered the question on December 23, 2017 at 16:32
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