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OpenStudy (anonymous):
Who developed the first effective vaccine against polio? (Points : 3) Norman Borlaug Marshall McLuhan Vladimir Zworykin Jonas Salk I have absolutly no idea o-o and... LAST ONE.
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OpenStudy (anonymous):
@Juakikun
OpenStudy (juakikun):
D.
OpenStudy (anonymous):
Ty babe ^_^ <33 I'll let you now what i get o-o
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