German immigrant Emile Berliner developed an improved sound recording device in 1887 called the

A heterogenous audience would likely be limited to primarily ________

A) only those with a college degree B) people born after 1975 C) one gender or the other D) none of the above

According to your textbook, charts are especially useful as visual aids when a speaker needs to

A. summarize the steps in a process. B. include more categories than can be presented in a pie or bar graph. C. illustrate changes in statistics over time. D. All the answers are correct. E. both summarize the steps in a process and include more categories than can be presented in a pie or bar graph.