What is the best description of a research plan?

Developing a Research Plan

Which would be the most credible source for researching the effects of smoking? letter from your grandfather web page about someone’s lung cancer report prepared by a tobacco company research article in a scientific journal

In a short story the narrator's word choice

Keeping wolves as pets is wrong. wolves are not pets. they're wild and natural-born killers. people who keepwolves in captivity are self-centered and vain. they thinkit's some kind of status symbol to own a wolf. but wolvesneed to roam free, participate in the thrill of the hunt, filltheir bellies with raw meat, and socialize with their packmates. which type of appeal does the passage primarily use? oa. ethos