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Home Q & A Board Humanities History
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riptor riptor
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8 years ago
The person who developed the first effective vaccine against poliomyelitis was:
A) Albert Sweitzer.
B) Jonas Salk.
C) Bernard Wilson.
D) Arthur Fleming.
Textbook 
Out of Many: A History of the American People

Out of Many: A History of the American People


Edition: 5th
Authors:
Read 124 times
3 Replies
- 1st year history major
-- "Opportunity is missed by most people because it is dressed in overalls and looks like work"
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MoxaMoxa
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8 years ago
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riptor Author
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#2
8 years ago
Really appreciate it, life saver
- 1st year history major
-- "Opportunity is missed by most people because it is dressed in overalls and looks like work"
wrote...
#3
8 years ago
It was a challenging question, good luck with the rest
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