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The smallpox epidemic, Edward Jenner, and cowpox were all instrumental in the development of the first _____.
A.blood transfusion procedure
B.stethoscope made
C.vaccine discovered
D.tourniquet developed

Relax

Respuesta :

Maditaylor1999
Its is c Vaccine Discovered
annabellaclapp

Answer:

yep sir its vaccine vaccine its simple math, simple math, get it done, get it done

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