Why was native american literature recorded in songs, rituals, and ceremonies?

How do i can change this sentence : a modern physician in a small town not only is proficient in general medicine but surgery as well. to parallel structure?

The difference between a guess and an inference is a. an inference is not supported by evidence while a guess is. c. a guess and an inference are the same thing. b. a guess is not supported by evidence while an inference is. d. none of the above

Review the theme beauty exists within each person which line from beauty best communicates this theme