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Why is smog a more serious problem in the southern United States than in the northern United States?

Because smog is a bigger problem in South America and North America?

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This entry was posted on Wednesday, March 24th, 2010 at 7:16 pm and is filed under Southern United States. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

2 Responses to “Why is smog a more serious problem in the southern United States than in the northern United States?”

  1. Wounded Duck says:
    March 24, 2010 at 7:44 pm

    Jet stream

  2. Jimmy Jam says:
    March 24, 2010 at 8:02 pm

    Things are slow in the south

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