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OpenStudy (anonymous):
Random Science help anybody? Im trying to finish practicing for my Semi finals.
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thomaster (thomaster):
what kinda science?
OpenStudy (anonymous):
is a form of oxygen which, in a layer in the stratosphere, screens out harmful ultraviolet rays from the sun. Choose one answer. A. Ozone B. Chlorofluorocarbons C. Aurora D. SPF 50
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