Environmental Science 15th Edition by Scott Spoolman,Tyler Miller

تمرين 2

What are the two key concepts for this section? What is air pollution ? Distinguish between primary pollutants and secondary pollutants and give an example of each. List the major outdoor air pollutants and their harmful effects. Distinguish between industrial smog and photochemical smog. List and briefly explain five natural factors that help to reduce outdoor air pollution and six natural factors that help to worsen it. What is a temperature inversion and how can it affect outdoor air pollution levels? What is acid deposition , how does it form, and what are its major environmental impacts on vegetation, lakes, human-built structures, and human health? List three major ways to reduce acid deposition.