Definition: Arranging the population through some ordering scheme and then selecting the sample by selecting every "nth" individual in the scheme.

Which. sentence from homesick best shows that the narrator is a character in the story

Today’s readers have more scientific knowledge than readers of previous eras what effect does that have on their reading of science fiction stories

The implicit details in this excerpt best support the conclusion that mrs. long feels angry about having to ask to borrow books. the speaker asks for books that were often difficult to find. the speaker appreciates the librarian's efforts to get her books. young children are not allowed to borrow books on their own.