what are the answer to long walk to water chapter 4-6

No one seems to want to take Salva with them. How does their point of view differ from Salva’s? Why don’t they want him to come? (Ch4) How does Nya’s and her mother’s point of view differ in the act of taking the sister along to find water? (Ch 4) Why is the novel told from the 3rd person perspective instead of the 1st person from Salva’s point of view? (Ch 5) What would the point of view be from Salva’s family (Ch 5) What do you predict happened to Marial? What clues foreshadow your prediction? (Ch 6)