Which of the following statements is not true? a. popular culture is more likely to be found in more developed countries. b. a major factor in the diffusion of british football was the presence of british citizens in other countries. c. the origin of popular music is a good example of how folk culture originates. d. the physical environment commonly plays an important role in the development of unique folk customs. e. the adoption of a popular custom often depends on a person's amount of disposable income.