What are the major sources and types of air pollution in modern communities? Explain the difference between primary and secondary pollution and provide examples of each.
Your response should be at least 300 words in length. You must use at least one scholarly source other than and including your text book to complete this assignment. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations. All references and citations used must be in APA style.