Beginning of Essay
derives from the greek word ozein which means to smell. It was first discovered in 1839 by Christian Friedrick Schonbein who noticed it because of its distinctive acrid smell. He discovered this at the University of Basel in Switzerland. is merely oxygen, but n ....

Middle of Essay
.... two hundred to two hundred fifty kelvins. The third level in the atmosphere is mesosphere. This level ranges from fifty to eighty-five kilometers in altitude and has temperature ranges between one hundred eighty and two hundred fifty kelvins. Finally, the thermosphere is the final level in the atmosphere. It's range is eighty- five to one hundred forty kilometers and also temperatures as high as four hundred sixty kelvins. Society has been widely addressed with the many problems that we are having in our environment today. A major problem is that of CFCs. CFC stands for Chlorofluorocarbons which are found in many of the aerosol spray cans. ....