At the beginning of the 20th century, the leading cause of death in the U.S. was infectious diseases.
<h3>What are infectious diseases?</h3>
Infectious diseases are any type of disease that can be transmitted by suitable hosts and vectors, which are caused by bacteria and viruses.
Infectious diseases are well known to produce epidemics and pandemics and vaccination helped to fight against them.
Infectious diseases were the main cause of death around the world (not only in the USA), but now we are able to fight against transmissible diseases by using the latest technological advancements.
In conclusion, at the beginning of the 20th century, the leading cause of death in the U.S. was infectious diseases.
Learn more about infectious diseases here:
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Answer:
1.8
Explanation:
add all of the numbers up
9
divide by number of numbers given
9/ 5= 1.8
It contained the first complex civilization in Mesoamerica.
1st one, Sorting tools rearrange data within columns and rows.
