smartunicorn
smartunicorn smartunicorn
  • 02-03-2017
  • Geography
contestada

Where is air pollution the worst?

cities
coastal regions
mountains
rural areas

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2th
2th 2th
  • 02-03-2017
The answer is cities. :)
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pheonixqueen97
pheonixqueen97 pheonixqueen97
  • 02-03-2017
the pollution is the worst in cities because of the factories and all the cars taht r being used.
Answer Link

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