_________ is made up of smoke and fog.

Question

Question

Answer 1

Smog is made up of smoke and fog.

It is a type of air pollutant.
It is derived from vehicular emission from internal combustion engines and industrial fumes that react in the atmosphere with sunlight to form secondary pollutants.
In certain cities, such as Delhi, smog severity is often increased by stubble burning in neighboring agricultural areas.
It is highly toxic to humans and can cause severe sickness, shortened life or death.