Q: Which one of the following is the most important factor for the formulation of smog?
(a)Long winter nights
(b)Formation of an ‘inversion lid’
(c)Presence of many air pollutant sources
(d)Rapid fall in temperature with increasing height above the sea level
Correct Answer: (b)
The correct answer is (c) 'Presence of many air pollutant sources'. This question from the Geography domain tests knowledge of Atmosphere & Climatology.