How did new scientific knowledge help the building of the Panama canal??

Answers

Answer 1
Answer: New scientific knowledge help the building of the Panama canal because there was a decrease of workers getting sick of malaria and yellow fever. It was Colonel Gorgas, the Chief Medical Officer, who have read about discoveries linking mosquitoes and malaria. Due to these readings, he succeed in eradicating the cause of the disease therefore a decrease in people getting sick.
Answer 2
Answer:

Answer:

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


Related Questions

Mark each statement if it correctly describes the Shang dynasty. A. The Shang was the first family of rulers in China. B. Shang emperors had great walled cities built. C. Shang emperors were powerful rulers. D. The dynasty ruled for only a short time. E. During the dynasty, workers built huge walls by layering bricks and covering them with mud. F. Workers cast and decorated bronze goblets, cups, and bowls.
Give examples of violent labor strikes during the Gilded Age
Where were most of the Nazis' extermination camps located?a. Germany b. France c. Russia d. Poland
Compare Roosevelt's victory in 1940 with his victory in 1936. In what respect did he lose ground?
How did natural disasters affect early civilizations!

Who led successful boycotts of fruits and vegetables to put pressure on California growers to sign union contracts? Cesar Chavez CORE Dennis Banks AIM

Answers

The correct answer is "Cesar Chavez".

Cesar Chavez was a co-founder of the National Farm Workers Association (NFWA) along with Dolores Huerta. This association fused together with the Agricultural Workers Organizing Committee (AWOC) and became the United Farm Workers (UFW) on August 22, 1966, after a series of strikes in the year 1965. This was legally recognized union who fought for the rights of farmworkers across the United States.

The right answer for the question that is being asked and shown above is that: "Cesar Chavez." Cesar Chavez led the successful boycotts of fruits and vegetables to put pressure on California growers to sign union contracts

What was the cost of the passage of the pure food and drug act in 1906

Answers

Answer:

A

Explanation:

More people died because FDA inspections reduced access to food, leading people to consume spoiled food. Many quality medications were no longer produced because they did not meet FDA requirements. Food producers sometimes went out of business or had to spend money to meet new FDA requirements. Most markets were permanently closed because they created unsafe food conditions, limiting access to food.

Answer:

a

Explanation:

edge 2020

Which was the main provision of the Wade-Davis Bill of 1864 that led Lincoln to "pocket veto" it?

Answers

Assuming that this is referring to the same list of options that was posted before with this question, the correct response would be the "50% plan," since this would have unfairly asked for 50% of the Southern population to swear allegiance to the Union. 

Answer:

The bill required a 50-percent oath of loyalty from citizens in a reconstructed state

Explanation:

A factor hindering the German invasion of Russia was:Italian warfare
a mild winter
Russian guerrilla warfare
British reinforcements

Answers

The right answer for the question that is being asked and shown above is that: "Russian guerrilla warfare." A factor hindering the German invasion of Russia was: Russian guerrilla warfare

Russian guerrilla warfare

During solstice, also known as June 21, people in the northern hemisphere can expect A. fewer daylight hours.
B. more daylight hours.
C. the sun to be closest to the Earth.
D. the sun to be in the region within the Antarctic Circle.

Answers

They experience more daylight hours because the sun is over
head at the equator and the rays of the sun are evenly spread across the earth therefore resulting in more day than night. So the answer is B.

Which foreign policy served national interests the most, Proclamation Neutrality 1793, Louisiana Purchase 1803, the War of 1812 OR THE Monroe Doctrine?[Target skills CONTEXTUALIZATION]

Answers

Answer:

The Monroe Doctrine

Explanation:

The doctrine threatens European nations by not allow more colonization and monarchs rule in the Western Hemisphere. The Monroe Doctrine was a foreign policy issued in 1823 under the presidency of James Monroe.  

President James Monroe states that America has never interfered in foreign matters before. When the rights of the Americas jeopard, then it became necessary to get involved in the issue. The United States will not allow colonization and monarchs rule because it will further lead to the establishment of a colony in America.