Name Now answer Numbers 1 through 10. Base your answers on the passages "Mississippi River Commerce," "from Life on the Mississippi," and "Mississippi River Facts." 1. Read this dictionary entry for the word root. root \\utl n. 1. the part of a tooth within the socket 2. an origin, or source v. 3. to fix or implant 4. to remove entirely Which answer choice shows the correct part of speech and definition for the word root as it is used in paragraph 3 of Passage 1? A noun; definition 1 B noun; definition 2 C verb; definition 3 D verb; definition 4 2. Which detail would be most important to include in a summary of Passage 1? A Steamboats modernized the United States in many ways. B It became cheaper to transport cargo by steamboat than by land. C There were 191 steamboats working on the Mississippi River by 1819. D Before steamboats were invented, keelboats were the primary form of transpo 3. According to Passage 1, what brought about the increase of commerce on the Mi River? tellbw afood ynam used even a A the Louisiana Purchase Given of vise B the construction of canals sodmagic C the use of wooden keelboats the invention of the steam engine