How and why emissions of major pollutants have been reduced by well over 50% in the United States since 1970, despite increase in population, energy use, and economic activity. Describe at least one way you think air quality might be further improved.

When finn studies, he likes to consult multiple types of resources, such as books, journals, and online information. he usually studies in his bedroom, but he's found that he doesn't concentrate as well there. he decides to change locations, but doesn't know where to go. which would be the best place for finn to study, based on his preferences? a. the school library and media center b. a computer lab c. a café with wi-fi d. the school archives center