Question

Smog is a common pollutant is places which have:

• A. high altitudes
• B. high temperature
• C. high concentration of $S{O}_2$ in air.
• D. high concentration of $N{H}_3$ in air.

Answer 1

Answer: (C)

high concentration of $S{O}_2$ in air.

Photochemical smog causes serious health problems such as, it acts as powerful air irritant,causes irritation in nose and throat. They can also cause chest pain and difficulty in breathing as it has high concentration of $S{O}_2$ in air. High level of smog can also trigger asthma attacks.