In Passage 2, the description of a barcode mainly serves to Choose 1 trivialize the complexity of a particular research practice. use a familiar concept to communicate an idea. question the novelty of a scientific phenomenon. inject a note of levity into an otherwise serious argument.

Which of the statements below describe the guidelines for the use of text in presentation programs? a. do not use numbered lists. b. fonts should be appropriate for your audience. c. limit the number of fonts you use to three or four. d. only use bulleted lists for sales promotions. e. select font sizes that are appropriate for your delivery method. f. use font colors that work well with your background. select all that apply