Which of the following topics is introduced by the paragraph?

How does langston hughes incorporate meter into his poetry? he envisions a blues singer, singing a raggy tune . he incorporates it to reflect a blues musical timing. he writes jingles for the advertising of depression medication.

Sally rises every morning at 6: 30 am. after deep-breathing exercises, she dresses in sweats and sport shoes for a morning jog over the same paths in lakewood park. on average, her jog takes 23 minutes. the rest of her day also follows a formula. dinner is at 6: 30. at 7: 00, she turns on the tv to watch the national news. and so it goes. some say sally is a boring person. sally declares she is not at all boring, just well organized. the paragraph is organized by a. showing cause and effect. b. comparison. c. time. d. importance.

The travels of marco polo.what is the author’s purpose for writing this text?