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Dissolved oxygen in water is very important for aquatic life. What processes are responsible for the reduction of dissolved oxygen in water?
Answers (1)
The factors responsible for the reduction of dissolved oxygen in water are -
(i) It is said that the bacteria responsible for degrading biodegradable detergent feed on it and can also use up all the dissolved oxygen and grow rapidly.
(ii) The addition of fertilisers containing additives such as phosphates can enhance the growth of algae which may cover up the surface of the water and reduce the concentration of oxygen in the water.
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