Thursday, May 30, 2019

Acid Rain :: essays research papers fc

Acid RainINTRODUCTION Acid rain is a non bad(p) problem in our world. It causes fishand plants to die in our waters. As well it causes harm to our own race as well,because we obliterate these fish, drink this water and eat these plants. It is aproblem that we must all face together and try to get rid of. However acid rainon its own is not the biggest problem. It cause some(prenominal) other problems such asaluminum poisoning. Acid Rain is deadly.WHAT IS ACID RAIN?Acid rain is all the rain, snow, mist etc that falls from the sky onto ourplanet that contains an unnatural acidic. It is not to be confused withuncontaminated rain that falls, for that rain is naturally slightly acidic. Itis caused by todays industry. When products are manufactured many chemicals areused to create it. However because of the difficulty and cost of properlydisposing of these products they are often emitted into the atmosphere withlittle or no treatment.The term was first-class honours degree considered to be important about 20 years ago whenscientists in Sweden and Norway first believed that acidic rain may be causinggreat bionomical damage to the planet. The problem was that by the time that thescientist prime the problem it was already very large. Detecting an acid lake isoften quite difficult. A lake does not fail acid over night. It happens over aperiod of many years, some times decades. The changes are usually to gradual forthem to be noticed early.At the commencement exercise of the 20th century most rivers/lakes like the riverTovdal in Norway had not yet begun to die. However by 1926 local inspectors werenoticing that many of the lakes were beginning to show signs of death. Fish werefound dead along the banks of many rivers. As the winters ice began to melt offmore and more hundreds upon hundreds more dead fish (trout in particular) werebeing found. It was at this time that scientist began to search for the reason.As the scientists continued to work they found many pil es of dead fish, up to5000 in one pile, further up the river. divers(prenominal) were sent in to examine thebottom of the rivers. What they found were many more dead fish. Many stretch forth anddead specimens were taken back to labs across Norway. When the live specimenswere examined they were found to have very little sodium in their blood. This istypical a typical symptom of acid poisoning. The acid had entered the gills of

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