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ArbitrLikvidat
[17]
3 years ago
14
What contribution did Jonas Salk make to science in the 1950s?
History
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2
answers:
Pepsi
[2]
3 years ago
4
0
Jonas Salk<span> </span><span>was an American </span>medical researcher<span> and </span>virologist<span>. He discovered and developed one of the first successful </span>polio vaccines in the 1950's.
Hope I helped. :)
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melisa1
[442]
3 years ago
3
0
Made vaccines against polio
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