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In 1985, the discovery of a large hole over Antarctica focused the world's attention on the devastating effects humans were having on the ozone layer. The hole also validated scientists Mario Molina and F. Sherwood Roland's long-held theory on the cause of ozone depletion. Their depletion theory was that chlorofluorocarbons, being released into the air would float all the way up to the ozone layer, a protective shield against ultraviolet light. Other comments
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