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Ozone is both beneficial and harmful to us. Near the ground, ozone forming as a result of chemical reactions involving traffic pollution and sunlight may cause a number of respiratory problems, particularly for young children. However, high up in the atmosphere in a region known as the stratosphere, ozone filters out incoming radiation from the Sun. Without this ozone layer, life on earth would not have evolved in the way it has. Concentrations of ozone in the stratosphere changes naturally in response to the difference in weather conditions and amounts of energy being released from the Sun, during the 1970s it was realized that man-made emissions of CFCs and other chemicals used in refrigeration, aerosols and cleansing agents may cause a significant destruction of ozone in the stratosphere, thereby letting through more of the harmful ultraviolet radiation. Then in 1985 evidence of a large "ozone hole" was discovered above the continent of Antarctica during the springtime. This has......

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Approximate Word Count: 2593
Approximate Pages: 11 (250 words per double-spaced page)

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