How did new scientific knowledge the building of the panama canal? a. fewer workers got sick from malaria and yellow fever. b. radios workers stay in touch with their families. c. better nutrition led to more work being done by laborers. d. airplanes were able to deliver supplies more quickly.

The answer is A.

Fewer workers got sick from malaria and yellow fever.

A. Fewer workers got sick from malaria and yellow fever.

New scientific knowledge helps the building of the Panama canal because there was a reduction in workers who are becoming sick of yellow fever and malaria.  The Chief Medical Officer Colonel Gorgas, was among the first who have learned about the revelations associating with malaria and mosquitoes. Due to those interpretations, he succeeds in abolishing the cause of the disease which could able to decrease the number of workers getting infected.

dude you should crop your image so only the question shows. but   can you explain it better

question 1: the kuwaiti government announced us$1.5 million in aid for rohingya refugees.they pointed out that it was imperative to take immediate and concrete steps to ramp up pressure on myanmar to put an end to the violence.and said   that they r just shameful

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