Clarke's Human Geography Blog

Thursday, October 7, 2010

Life expectancy- an expected time to live as calculated on the basis of statistical problems
Birth rate- the ratio of live births in an area to the population of that area
Death rate- the ratio of deaths in an area to the population of that area
RNI(rate of natural increase)- the crude birth rate minus the crude death rate of a population
TFR(total fertility rate)- how many babies are born per women
Net Migration rate- the difference of immigrants of an area over a period of time
Population pyramid- a graph showing the age structure of the population
4.32 is the net migration rate for the U.S.
Pull factor- factors that make you want to move to a country
Push factor- factors that "push" you away from a country because there is something that you don't like
1.8 people die per second
The baby boom happened after World War 2, it was the time in which many babies were born.

Today I was not in class because I had a soccer game.

Today in class we went over the test and I got the 2nd highest grade in the class.

Today in class we talked about life expectancy and I am taking the test for human geography after school today.

We did not have class today because the storm was really bad.

I was not in class today because I had a soccer game.

Today in class we found out we have a test this week so we reviewed what could possibly be on the test.