Question

Anthropogenic source of air pollution : Factories :: Natural source of air pollution : _______

• A. Wildfires
• B. Emissions from industries
• C. Mining operations
• D. Automobile exhaust

Answer 1

The correct option is A Wildfires

Air pollution can be defined as degradation of the quality of air due to addition of undesirable substances known as pollutants.

Pollutants can be gaseous compounds such as sulphur dioxide, carbon monoxide, etc, particulate matter such as dust or soot.

Air pollutants are released into the atmosphere

• either from natural sources which do not involve any human intervention, such as volcanic eruptions, pollens released by flowering plants, wildfires or forest fires, etc.
• or from anthropogenic or man-made sources such as exhaust from automobiles, emission from factories and industries, cigarette smoke and mining operations, etc.

Thus, option a is the correct answer.