This passage is designed to a) explain why the great blue hole formed. b) describe what the great blue hole is like. c) encourage the reader to study other blue holes. d) persuade the reader to visit the great blue hole.

Consider the title and souce of the following articles. which one is most likely to exhibit a bias? (a) how to roast beef," by the food editor of a magazine (b) americans experiencing greater fatigue than previous generations, " by a harvard researcher (c) "americans' worsening eyesight not related to computer screen usage," by the public relations director of a major computer manufacturer (d) "sharing the burden: a history of cooperation," by a college professor