Answer:
33% is about how many people who smoke will develop lung cancer over their lifetimes. And that comes with great variability and does not account for other smoking related illness. What would the data using a preliminary estimate of .33 be measuring exaxctly?
The first cities developed
in the region known as Mesopotamia
between 4500 and 3100 BCE. The city of Uruk, today considered the
oldest in the world, was first settled in c. 4500 BCE and walled cities