11-05-2016
History

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Which historical era contributed to increased air pollution?

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gilliebean gilliebean

11-05-2016

the Middle ages with the mass use of coal and including the industrial revolution of manufacturing goods using machines which produced air pollution. Not including this technological era responsible for the huge air pollution and cfc gasses

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hannah152 hannah152

11-05-2016

The industrial revolution, the beginning of factories, train's.....

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