Question

What is the difference between volcanic fog, called vog, and urban smog? a. vog consists of acidic aerosols formed from sulfur-based gases; smog is composed of hydrocarbon emissions from vehicles. b. vog consists of carbon dioxide gas; smog is composed of sulfur-based gas emissions from vehicles. c. vog consists of ozone gas; smog is composed of hydrocarbon emissions from vehicles. d. vog consists or carbon monoxide gas; smog is composed of hydrocarbon emissions from vehicles.

Answer 1

Vog consists of acidic aerosols from volcanic emissions, while urban smog contains hydrocarbon emissions from vehicles and industrial sources reacting with sunlight to create a complex mix of chemicals, including ground-level ozone.

Step-by-step explanation:

The difference between volcanic fog, called vog, and urban smog is primarily the composition and source of the pollutants. Answer (a) explains this difference accurately.

The correct answer is: (a) vog consists of acidic aerosols formed from sulfur-based gases; smog is composed of hydrocarbon emissions from vehicles. VOG is a type of air pollution that occurs when volcanic eruptions emit sulfur dioxide (SO₂) and other gases, which react with oxygen, moisture, and sunlight in the atmosphere to form sulfuric acid mist and other fine particles. On the other hand, URBAN SMOG, particularly photochemical smog, is a mixture of pollutants including nitrogen oxides and volatile organic compounds (VOCs) that react in the presence of sunlight to create a complex mixture of over 100 different chemicals, with ground-level ozone being the most abundant.