Answer:
Because people did not know that yellow fever was caused by the bite of an infected mosquito, they assumed incorrectly that people could catch the disease through touch. To help control the disease, letters were cleaned with vinegar before being sent. This did not work, because it was a false cause-and-effect relationship.
17. A synonym of <em><u>request</u></em><em> </em>would be complain
19. A synonym of <em><u>tree</u></em> would be willow
Hope this helps
Brainliest would be appreciated!
-AaronWiseIsBae
You cite the source(s) you used. Basically giving them credit for their work. It helps to avoid plagiarism.<span />
is that the human beings are confronted with and being defined by the choices they make.
