marianmina33 marianmina33

03-03-2020
History

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What new scientific discoveries came about in the 1920’s and 1930’s

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kstark81923 kstark81923

03-03-2020

Answer:

Vitamins C and E, penicillin - the first of the modern antibiotics, innovations in immunization, and the discovery of insulin which made the treatment of diabetes possible.

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kierragates34 kierragates34

03-03-2020

Ok I think the answer is

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