English, 01.12.2020 21:10 dowlingdestiny
Which sentence from the passage best supports the idea that before Salk's team, medical researchers had been unable to combat polio effectively?
A. Building on the research of previous scientists and doctors, Salk developed a polio vaccine by growing large numbers of the virus in test tubes.
B. Analyzing their test results, Salk and his team were thrilled to see that their vaccine caused the immune system to produce polio antibodies without making a person ill.
C. In 1952, the United States dealt with 57,000 cases of polio—the most cases ever in a single year.
D. The next year, scientists announced that the vaccination trial had been a success: the vaccine prevented polio infections in 80% to 90% of people.
Answers: 3
English, 21.06.2019 21:00
4. interpret how do the speaker's descriptions of and feelings about the wind change as the poem progresses? how does this shift show a change in the tone of the poem?
Answers: 1
English, 22.06.2019 00:30
Tell me what you guys think of this made it for class need opinions
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English, 22.06.2019 06:40
What structural choice can a translator make to set a desperate or frantic tone? o a. character dialogue o b. setting changes o c. sentence length o d. plot order submit
Answers: 3
English, 22.06.2019 07:30
Pls 25 points plus brainliest write a paragraph and discuss the uses and differing characteristics of a narrative and lyric forms. find an example of each type of poem. compare the two in your writing.
Answers: 1
Which sentence from the passage best supports the idea that before Salk's team, medical researchers...
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