Can i get with these two problems

identity the manipulated/independent variable and the the responding/dependent variable in each example

Which excerpt from "hills like white elephants" provides the most details about the main characters' lives outside the railway station? click here to read an excerpt.

The point of view in the novel can best be described as third-person omniscient third-person limited second-person first-person

Which characteristic is common to memoirs? a. they analyze all sides of a particular issue. b. they give the entire life story of an author. c. they may include fictional characters. d. they are written in first-person point of view.