When did outdoor air pollution first become a significant problem?

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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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What were the origins of Islam and what are its main beliefs ..

Аноним Аноним · Answer 1 · 2017-02-25T08:57:29+01:00

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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