c.Class Notes #10

Life expectancy - average number of years to be lived by a group of people born in the same year.

Place with highest life expectancy, the United States', and the place with the lowest life expectancy.
Monaco (The Playground of the Rich) has the highest life expectancy (About eighty-nine years and a half on average).
The United States is the place with the 42nd highest life expectancy (A little less than seventy-nine years on average).
Chad has the lowest life expectancy (Almost 50 years on average).

***Men have more dangerous working conditions, don't seek medical attention, and are more reckless than women, that is why women have greater life expectancy.***

Crude birth rate: the number of births among 1,000 of the population.
Crude death rate: the number of deaths among 1,000 of the population.

***Crude refers to all the numbers put together without regard for type (e.g. death by an accident and cancer); more general.***

Rate of natural increase (RNI).
- produced by subtracting the death rate from the birth rate.
- this gives us the annual natural growth rate--in percentage form--for a country or region.

Extra:

Potable water 

- water safe for human consumption, be it drinking, cooking, washing, between other things.

- treated by wastewater treatment plant.