Choose the sentence that would be most appropriate in a formal research paper.
a) everybody who writes about art can't decide if photography is "really" art.
b) those art critic guys aren't yet sure whether photography can really be considered an art form or not.
c) those folks who study art disagree about the fundamental nature of photography and its classification.
d) art historians and contemporary art critics disagree over the classification of photography as fine art.

Which is best evidence that mary is beginning to change

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 )

Which best describes the suspense technique of flashback? an image, color, object, or similar is shown early in the film. it later reappears in a pivotal scene or plot point. details of the story outside of the chronological storyline are provided to the audience, often as a memory. illusions of explosions and other events are presented, often using computer-generated imagery to seem realistic. the screenwriter lets the audience know something the main character does not, usually something important to the plot.