Question
mexico city is surrounded by mountains. what effect has this had on the air quality in this city?
Answers
Ms. Sue
Check the last sentence in the fifth paragraph.
http://encarta.msn.com/encyclopedia_761569238/mexico_city.html
This site may also help you.
http://visibleearth.nasa.gov/view_rec.php?id=3419
http://encarta.msn.com/encyclopedia_761569238/mexico_city.html
This site may also help you.
http://visibleearth.nasa.gov/view_rec.php?id=3419
Yasmen
Because I wanted the effect of it