Which is not true about the black death?
answer
it was transmitted through flea bites.
trade between europe, asia, and other regions caused it to spread and kill millions of people.
once symptoms appeared, victims only lived a few days.
faith in the church increased due to the black death.

the answer is "by providing data about careers and annual mean wages"

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: