Why is a source that is transparent about its intentions more credible?

How does the poem's mood and tone change in each of these stages of “o captain! my captain! ” by walt whitman? (i need an answer asap )

1.which of the following is an example of a secondary source? a. a biography of stephen king b. an interview with stephen king c. a novel by stephen king d. stephen king's letters to his editor 2.why should academic writers use the third-person point of view for a research paper? a. when using it, you can easily switch to a different point of view. b. it keeps your writing simple. c. it limits your credibility. d. it allows you to be more objective in your writing. 3.the author of a source may be considered reliable if he or she a. includes opposing views. b. omits information that doesn't fit his or her opinion. c. bends facts to make a point. d. summarizes facts without attribution or citation. 4 which of the following should you take into consideration when determining if an author is biased? a. your age as a reader b. the descriptive and connotative language used in the writing c. your existing personal biases d. the intended audience for the essay

Clearly show? ramona: anna, where does the theme seem to change? anna: according the article: "the fault lies with the fda's inability to release enough information in order to regain the public's trust. but perhaps japan is to blame as well. although there are plans to remove the spent nuclear fuel rods and build a permafrost wall around the four damaged reactors, is this really enough to recover damaged trust? " and then sato goes on to explain this statement. o a. challenging established ideas o b. using evidence to support your conclusions o c. asking clarifying questions o d. synthesizing claims into a single conclusion