Wednesday, March 20, 2019

Acid Rain :: essays research papers fc

sultry RainINTRODUCTION Acid fall is a great 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 eat these fish, make happy this water and eat these plants. It is aproblem that we must all case together and try to get rid of. However acid rainon its own is non the biggest problem. It cause galore(postnominal) other problems much(prenominal) asaluminum poisoning. Acid Rain is drainedly.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 confuse withuncontaminated rain that falls, for that rain is of course 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 practically emitted into the atmosphere withlittle or no treatment.The term was jump consider ed to be important about 20 years ago whenscientists in Sweden and Norway first believed that acidic rain may be causinggreat bionomic damage to the planet. The problem was that by the time that thescientist form the problem it was already very large. Detecting an acid lake isoften quite difficult. A lake does not become acid over night. It happens over aperiod of many years, some times decades. The changes are usually to gradual forthem to be discover early.At the radical 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 piles of dead fi sh, up to5000 in one pile, further up the river. Divers were sent in to examine thebottom of the rivers. What they found were many more dead fish. many another(prenominal) live 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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