A factory drains its waste water into the nearly lake. It has caused algal bloom.
(a) How was the algal bloom caused ?
(b) What would be the consequences ?
(c) Name the phenomenon that caused it .

Explanation

(a) The algal bloom was caused due to the presence of large amounts of nutrients in the lake.
(b) Deterioration of water quality.
(i) Increased fish mortality rate.
(ii) Some bloom forming algae are toxic to humen being and animals.
(c) Accelerated Eutrophication