Answer the following questions. When you are finished, click the Score button at the bottom of this page. 1. refers to the dramatic increase of life expectancy in the 19th century due to the conquest of disease and the improvement of diet. 2. The of disease transmission held that organisms invisible to the naked eye caused contagious disease. 3. Pasteur’s research showed how to keep dairy products and beer fresh by eliminating microorganisms through . 4. A status symbol of the 19th century middle-class was . 5. The prize-winning recipe for , a widely used substitute food, included beef fat and cows' udders. 6. In the early 19th century, addiction of was common among famous writers. 7. Nineteenth century reformers that circulated birth control information were called . 8. By the early 20th century, the French had reached a balance between births and deaths or . 9. The states were leaders of European education 10. The 19th century’s reputation as an age of prudishness and puritanical restrictions is known as .     If you would like to email your responses to your professor, fill out the boxes below, then click the Email button.   Student Name:* Student Email:*   Professor Name:*   Professor Email:*       *required