Today in human geo we reviewed for the upcoming test, but there was surprise guest in our class Today and his name was ryan. I know ryan lacrosse and it was funny seeing him there in that class.
we talked a little about immigration, emigration, TFR, and crude birth and death rate. For a population to stay the same, the TFR must be 2.1. Higher would result in a increase, lower would result in a decrease in population. We also learned about a method, the method is that with the TFR when one is born it replaces the person who died.