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.
Answer:
this answer is B the guess was easy
It could have been either's jacket.
Rereads the text for answers and to see if you have more questions
Answer:
B. A picture of puppy playing with a toy