Answer:
Main causes of polution:
throwing garbage at sea or everywhere
somuch smoke from cars factory and dump thats burnt
I have a short chain reaction with over fishing
first fisher men catch many fish then deliver it to a factory whre tuna,fish flour,and other fish products are made.Tuna are eaten by people but the fish bone will be thrown away in the sea or lake,fish flou is eaten by pigs and fish bones is thrown away in the sea or lake too which causes polution to sea or lake or rivers which get drunk by animals and eaten by bigger predators taht is eaten by humans which could lead to deathand when waters ar full of garbage algae will and bacteria will feed a and humanity will lost oxygen.
Explanation:
haba pala pero sana makatulong
