Over the centuries the story has been told and retold and told again, often with a widely varying cast of characters. knights, priests and priestesses, kings and queens, and various users of magic come and go, but always there is arthur, the sun around which all else revolves, his faithless wife (guinevere), his equally-faithless best friend (lancelot), the illegitimate son (mordred) who becomes his bane—and merlin. whatever his role, merlin is always there, and it is always clear that arthur could not have existed, survived, or become king without him. source: bradley, marion zimmer. “the once and future merlin.” fictionwise. com. fictionwise llc, n. d. web. 7 july 2011. what is the author’s purpose in the above passage, and how does she achieve it through her organization and choice of details?

Bradley's purpose is to examine the story of King Arthur, specifically the relationship between Arthur and Merlin. She uses the prose genre and the order-of-importance system of organization, which is a common technique in nonfiction prose. This logical organization makes the ideas easy to follow. The choice of details used by Bradley is well suited to examining a particular topic. The inclusion of a list of the "varying cast of characters" that appear in the stories of King Arthur helps Bradley to achieve her purpose. Finally, her explanation of the character examples that she uses is particularly well suited to the nonfiction genre and an examination of a particular topic. In this case, it's the story of King Arthur.

answer; i believe that the correct answer is (scientific data);

i think the literacy device is "it's frozen head"