IB ESS HL 8.3.9 Hl Smog Intensification Factors Questions

a. topographic conditions: next to mountains / in a depression/low-lying area traps pollution;
b. climatic conditions: high pressure systems / weak winds / temperature inversions / high insolation / limited rainfall / high temperature;
c. high population urban density: heavy use of fossil fuels due to high vehicle use/industrial output / evaporation of paint and cleaning (VOC- releasing) products;
d. burning of forests increases the formation of primary pollutants that contribute to smog;