Podcast
Questions and Answers
According to the EPA, what are air pollutants?
According to the EPA, what are air pollutants?
- Any form of contamination in the atmosphere
- Only excess heat or noise in the air
- Chemicals that modify the natural characteristics of the atmosphere
- One or more chemicals or substances in high enough concentrations in the air to harm humans, other animals, vegetation, or materials (correct)
What is the WHO definition of air pollution?
What is the WHO definition of air pollution?
- Presence of excessive heat or noise in the atmosphere
- Contamination of the outdoor environment by physical agents only
- Contamination of the indoor environment only
- Contamination of the indoor or outdoor environment by any chemical, physical or biological agent (correct)
What aspects can affect air quality?
What aspects can affect air quality?
- Noise and excessive heat
- Chemical and biological agents
- Meteorology and topography (correct)
- Vegetation and materials
What are common sources of air pollution according to the text?
What are common sources of air pollution according to the text?
What is the main characteristic of air pollutants according to the definitions provided?
What is the main characteristic of air pollutants according to the definitions provided?