SORU: cümleler sırasıyla okunduğunda anlam bütünlüğünü bozan cümleyi bulunuz
(I) Under certain weather conditions a blanket of still, warm air forms over cooler air close to the ground. (II) This traps air pollutants that would normally be carried away from the city. (III) Sometimes such conditions persist for more than a few days. (IV) In that case, dangerous and even deadly concentrations of pollutants, that is smog, build up. (V)Dense traffic in big cities, besides pollutants from industrial places, also adds significantly to the problem of smog.