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Beginning of Paper
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The Depletion of Ozone Layer
Ozone is a natural trace component of the atmosphere. It is created continuously through the action of sunlight and oxygen in the upper atmosphere. At the same time this destroyed by various reactions with other components in the air. The next result of these natural processes ....
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Middle of Paper
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.... atmosphere, but it is essential to life on earth. Scientists assume that in the early days of the earth’s evolution there was no atmosphere, but gases from planet surfaces and volcanoes slowly collected. At first, the gas was little protection from the sun’s UV radiation. But according to some evolutionary theories, life forms on earth may have been able to develop in water that filtered out most of the UV rays but allowed enough visible lights for chemical reactions to take place.
However, ozone concentration are not static, winds transport, ozone throughout the stratosphere. Al ....
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