Identify the reference problem in the sentence. if there is no problem, select correct sentence. when jack visited the local bookstore and found numerous travel books about london, it overwhelmed him. a.) ambiguous reference b.) reference to a broad idea c.) reference to a noun that is a modifier d.) correct sentence

Read this passage from "the city without us" by alan weisman: which statement best explains how the structure of the passage supports the author's purpose? a. the passage traces several events in the order that they will occur to highlight how nature conquers human civilization. b. the passage shows that natural forces such as an absence of predators and an increase in the squirrel population can lead to destructive results. c. the passage shows that natural forms such as an absence of predators and human hunters can lead to the reforestation of new york city. d. the passage identifies how two natural forces are co-dependent - the deforestation of new york and the extinction of squirrels.