If you take a plane, I'll say it's about 8 hours. I'm not 100 accurate but it should be around that time.
It is called a Building: Because the suffix 'ing' is added to verbs to make noun forms. For instance a celebrity's following. Following describes the people who follow them in a noun form.Building is a noun form of a thing that exists as the result of the act of those who built it.
Answer:
Wind speed is measured by using anemometer and wind direction is measured by using Wind vane.
A push factor would be something like war or famine or something. A pull factor would be something like a job or new opportunity, its usually for financial reasons in my opinion. Hope this helped!