A prologue is used to give readers extra information that advances the plot. They can give more background information about a story or describe a scene from the story that could be from the middle of the story to capture the readers' attention or some past event that is motivation for the novel. The prologue can also tell the story from a different point of view or a different time.
The 3 authors purposes are persuade, inform and entertain. Persuade the author is using their opinion to try and get you to agree, inform the author is explaining a topic with facts and without bias, and entertain the work doesnt have either of those it will be amusing or fun
<span>an apparatus for producing and recording spectra for examination</span>
