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OpenStudy (heathero):

How did new scientific knowledge help the building of the Panama Canal? Fewer workers got sick from malaria and yellow fever. Radios helped workers stay in touch with their families. Better nutrition led to more work being done. Airplanes were able to deliver supplies more quickly.

OpenStudy (heathero):

@brooke..help00

OpenStudy (brooke..help00):

A. I think

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