A singing style that features a leader who is imitated by a group is called a. crossover. b. call and response. c. thematic development. d. ostinato.

James is speaking in front of the local school board about how students are spending more time on homework than ever before. which of the following would best support his speech by showing the board this increase? a. a list of homework assignments from each class b. a graph showing the amount of homework last year and this year