Which of the following is an example of a demographic factor?

people between the ages of 30 and 40
people who list photography as a hobby
people who prefer country living to city living
people who smoke a pack of cigarettes daily

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