1. Were the results the same for all the locations in your field study. or different? How do the areas you monitored compare in air pollution? Based on your knowledge of the area, give a possible explanation for the
differences. Include a table showing the results of your monitoring of local air quality.

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the