o2l2inderinKellegill o2l2inderinKellegill
  • 25-02-2017
  • Computers and Technology
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When did outdoor air pollution first become a significant problem?

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Аноним Аноним
  • 25-02-2017
out door air pollution has been a problem since ancient Romans...but the industrial revouloution was when outdoor air pollution increased and it a significant problem...
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