How much has the air pollution grown in North America, in percentages, scence 1996?

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If you have a smirky answer, please do NOT answer. Thank You. I need answers by Thursday. Thanks.

2006-09-15 03:44:25 · 1 answers · asked by *Ninja w/ awesome pirate powers* 3 in Education & Reference ➔ Homework Help

http://www.epa.gov/oar/aqtrnd95/summary.html
http://cordis.europa.eu/euroabstracts/en/october03/feature02.htm

2006-09-15 04:59:54 · answer #1 · answered by Shintz62 4 · 0⤊ 0⤋