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28/09/2020 11:55 am
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A lake with an inflow of domestic sewage rich in organic waste may result in
(a) drying of the lake very soon due to algal bloom
(b) an increased production of fish due to lot of nutrients
(c) death of fish due to lack of oxygen
(d) increased population of aquatic food web organisms
1 Answer
1
28/09/2020 11:56 am
(c) death of fish due to lack of oxygen
Explanation:
A lake rich in (domestic sewage) nutrients accelerates the growth of algae which use oxygen at night and deoxygenate the water enough to kill the fish and other animals (eutrophication).