naynaybadazz1 naynaybadazz1

22-03-2019
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Select the correct answer.
In 1943, a British soldier recovered from an infected wound. Which scientific discovery could have helped heal his infection?
A.
vaccine
B.
syringe
C.
penicillin
D.
inoculation

Respuesta :

blake2002clark blake2002clark

22-03-2019

the answer to the question is A.

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