Question

Oil slick causes mass scale death of fishes due to

Answer 1

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Of known causes, fish kills are most frequently caused bypollution from agricultural runoff or biotoxins. Ecological hypoxia (oxygen depletion) is one of the most common natural causes offish kills. The hypoxic event may be brought on by factors such as algae blooms, droughts, high temperatures and thermalpollution.

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Answer 2

Answer:-

fish kills are most frequently 

caused bypollution from agricultural runoff or

biotoxins. Ecological hypoxia (oxygen

depletion) is one of the most common

natural causes offish kills