Which sentence best explains how the tone reveals the narrator's perspective?; which sentence best explains how rezwan used the rising waters to solve a problem; which statement best explains the situational irony in the text; what must be true for a research question to be considered effective?; what is the connotative meaning of the underlined word in the excerpt?; what is the central idea of the third quatrain?; the students were __________ that an accomplished scientist; how does this paragraph develop the characters in the dialogue?