For this assignment, answer the prompt below. Your post should be 1-2 paragraphs in length (6-12 sentences). Be sure to use specifics from the provided materials. What are the key differences between the early civilizations in Mesopotamia, Africa, and Egypt? How do you account for those differences?

the answer is richard nixion

a is the final : )

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:

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.