15. Which of the following would make the best hook sentence for an essay about vaccines? A. Throughout history, many people have died from various diseases because they didn't have access to preventative vaccines. B. What are vaccines? C. The first vaccine was created by Edward Jenner in 1798 to fight smallpox using antibodies from cowpox survivors. O D. By the end of the 20th century, the world had all but eliminated measles, but in 2018, 98 countries reported a rapid rise in the disease despite the fact that an effective vaccine is available. 14. The process of rereading your work and making changes to improve the logic and readability is called A. paragraphing. B. revision C. proofreading. D. drafting. 18. A/an _outline is one that uses some combination of Roman numerals, letters, and/or Arabic numbers. A. natural B. formal C. informal D. logical