Answer:
Oh i dead clicked on this thinking you had a question for english.
Explanation:
Answer:
A. The results of the experiment showed a quantifiable decrease in oxygen levels.
Explanation:
The chosen sentence possesses a formal register with technical vocabulary related to science, which can be understood by professional scientists. For instance, the words <em>quantifiable </em>and <em>decrease </em>have a more academic style. Besides, the writing is impersonal and written in the third person.
The rest of the options are incorrect because they have contractions and they are too informal. Thus, their vocabulary contain casual expressions which do not follow the conventions of an academic style.
Answer:
CHAPTER 10 1920 –1929 THE ROARING Twenties THE BIG American culture underwent PICTURE rapid and radical change in the 1920s. Signs of this change were everywhere—in the music and fashions of the day, in the habits and pastimes of Americans, in the art and literature of the country's most creative minds. Large population shifts and new technologies transformed the nation from rural to urban and from traditional to modern. Skills FOCUS READING LIKE A HISTORIAN 1920 U.S. This jazz band is supplying not only music but First corporate also some food and drink to competitors in a radio station offers music Charleston endurance contest. The Charleston and news. was a new dance that was all the rage in the 1920s. Interpreting Visuals What words 1920 would you use to describe the mood of the 1920 scene captured in this photograph? League of Nations holds first meeting See Skills Handbook, p. H30 World in Paris, France. 292
History's Impact video program Watch the video to understand the impact of younger generations. 1926 1924 Langston Nellie Tayloe Hughes pub- 1927 Ross is elected lishes The Charles Lindbergh in Wyoming as Weary Blues, completes his solo the nation's first his first book flight across the woman governor. of poetry. Atlantic Ocean. 1922 1924 1926 1928 1930 1924 1926 1929 Soviet leader Ruins of The National Revolution- Vladimir Lenin Mayan cities ary Party is established in dies. reported found Mexico. in Mexico. 293
SECTION 1 American Life Changes BEFORE YOU READ TAKING As you read, NOTES take notes MAIN IDEA READING FOCUS KEY TERMS AND PEOPLE identifying major change The United States 1. What were the new roles for Ameri- flapper in American social behav- experienced many can women in the 1920s? values ior, laws, and religion social changes 2. What were the effects of growing Billy Sunday during the 1920s. Record during the 1920s. urbanization in the United States fundamentalism your notes in a graphic in the 1920s? Aimee Semple McPherson organizer like the one evolution shown here. 3. In what ways did the 1920s reveal Clarence Darrow a national conflict over basic Social William Jennings Bryan values? Behavior Laws Religion bootlegger 4. What was Prohibition, and how did speakeasy it affect the nation? THE INSIDE Who put the car and the radio in their little Illinois town to watch the sun go down. When STORY together? By the early 1920s cars and the young women suggested that it would be wonderful to radio were well on their way to becom- have music on these evenings, Lear and Wavering decided ing key features of American life. For young people espe- to figure out how to install a radio inside a car in such a way cially, cars meant freedom. Radio meant access to music, that it could be heard over the car’s engine and would not news, sports, and a blossoming American popular culture. interfere with the car’s electrical system. The result was the Inventors William Lear and Elmer Wavering were two invention of the first practical car radio. young Americans who enjoyed cars and music. It was their Within a few years the car radio would become stan- girlfriends, however, who gave them the idea to put a radio dard equipment in millions of automobiles. The world of the inside a car. The two couples liked to park at a scenic spot American teenager would never be the same. A Match Made in Heaven Before radios were installed into cars, people used portable radios pow- ered by the car’s battery. The bulky size didn’t stop people from carrying them along. 294 CHAPTER 10
<span>(C. Present perfect.)</span>
