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Title: What wartime scientific breakthroughs resulted in a dramatic reduction in battlefield deaths and ... Post by: tetleyelmo on Jan 18, 2017 What wartime scientific breakthroughs resulted in a dramatic reduction in battlefield deaths and also helped contribute to an increase in the average American lifespan after World War II?
A) antibiotics such as penicillin and streptomycin B) better nutrition C) vaccines for whooping cough, diphtheria, mumps and measles D) electric refrigerators Title: Re: What wartime scientific breakthroughs resulted in a dramatic reduction in battlefield deaths and ... Post by: Yoko900 on Jan 18, 2017 Content hidden
Title: Re: What wartime scientific breakthroughs resulted in a dramatic reduction in battlefield deaths and ... Post by: mjordan11 on Mar 27, 2018 Thank you
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