we studied many aspects of pollution on marine mammals including oil spills, PCBs, mercury, and plastics....

we studied many aspects of pollution on marine mammals including oil spills, PCBs, mercury, and plastics. discuss the specific problems, effects in specific ecosystems, anf any and all processes involved.

Expert Solution

Oil spills is the release of a liquid patroleum hydrocarbon into the environment.oil is a mixture of hydrocarbon compounds.Which are the decayed and causee hazardous health effects on marine ecosystem members like marine animals and plants.Under intense pressure and temperature,these remain changed into complicated hydrocarbons called patroleum.Crude oil is a mixture of gas,naptha and kerosene,gasoline.

PCBs-Polychlorinated biphenyls possess a low water solubility,a high n-octanol / water partition coefficient and highly chlorinated so that they are bioaccumulated in many organisms.PCBs inhibited the growth in several algal species.

Mercury-is a poisonous,toxic heavy metal which cycles through atmosphere,water and soil.When this element occurs at levels excedding its natural level in the seas and oceans,it cause a large threat for aquatic organisms.Its low solubility in water,chemical stability in sediments and accumulation through biological concentration and magnification in food-webs.Methylmercury levels in predatory fish are typically more than one million times higher than methylmercury level in water that the fish inhabit.It is also toxic for human who eat fish.It deteriorates the nervous system.

Plastics-Plastic is a synthetic organic polymer made from petroleum.Plastics pollution is the most widespread problem affecting the marine environment.It also threatens ocean health,food quality,human health and contributes to climate change.The impacts include fatalities as a result of ingestion,starvation,suffocation,infection and drowning.

gladiator answered 1 year ago

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