Ozone

ozone Ozone Layer Dramatic loss of ozone in the lower stratosphere everyplace Antarctica was runner noticed in the 1970s by a search group from the British Antarctic Survey (BAS) who were monitoring the reach out above Antarctica from a research station .The Halley Research rely BAS research stations in the Antarctic Rumor has it that when the source measurements were taken in 1985, the drop in ozone levels in the stratosphere were so dramatic that at first the scientists thought their instruments were defective. Replacement instruments were establish and flown out.

It wasnt until they confirmed the earlier measure ments, several months later, that the ozone depletion observed was accepted as genuine. Evidence that human activities affect the ozone layer has been building up over the last 20 years, ever since scientists first suggested that the cark of chlorofluorocarbons (CFCs) into the atmosphere could reduce the amount of ozone over our heads. The brea...If you want to cause a full essay, order it on our website: OrderEssay.net

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