10/30

 we talk about life expectancy is the average number of years to be lived by a group of people born in the same year. We talked about thing thats effect life expectancy and also where life expectancy is high, like Moraco, and where it's low, like Chad. Then we discussed crude death rate and crude birth rate (number of deaths or births per 1000). We also got into rate of natural increase- which is derived by subtracting death rate from birth rate.

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essay for Garcia.

9/25

1.2