History of Ozone

	Revision 2 . . December 9, 2001 10:29 am by Alan D [linked to ozone hole]
	Revision 1 . . December 9, 2001 8:43 am by Hagedis

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Changed: 5c5,6

The highest levels of ozone in the atmosphere are in the statrosphere?, in a region also known as the [ozone layer]?. Here it filters out much ultraviolet light from the Sun that would be harmful to most forms of life.

The highest levels of ozone in the atmosphere are in the stratosphere?, in a region also known as the [ozone layer]?. Here it filters out much ultraviolet light from the Sun that would be harmful to most forms of life. See also ozone hole.