What is one characteristic of a complex sentence? a. it contains two or more simple sentences joined together. b. it consists of one clause covering one main idea. c. it has at least one dependent and one independent clause. d. it states an author's purpose for writing as well as his or her opinion on a topic

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the sentence that best describes the tone of the passage from the radio broadcast compared to the passage from the book is b. the radio broadcast has a more surprised tone.

consider the text evidence: in the passage from the book, the description is more matter-of-fact. it is simply describing the things resembling little grey snakes, but there is no urgency in the description. on the other hand, in the passage from the radio broadcast, there is definetely urgency (you can tell from the expression used, "good heavens", which clearly indicates surprise.)