lorawilsonrocks
lorawilsonrocks lorawilsonrocks
  • 02-07-2014
  • Chemistry
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How/why do copy machines produce o zone?

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brittanycandace
brittanycandace brittanycandace
  • 02-07-2014
It's saying that it "protects us from the ozone layer." but too much may be harmful to your body because we aren't used to that 
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