1 report(s) found.
The bar graph represented the daily maximum and minimum levels of SO2,N2O which caused air pollution of four cities(Los Angles, Calcutta,Beijing,Mexico City) in 2000. Overall, it is clear that Mexico city has maximum levels of N20 and SO2 amoung four cities and, Los Angles has lowest figure in SO2 Los Angles, the quantity of SO2 […]