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vocab. for world C
| Question | Answer |
|---|---|
| population | the people living in a particular region;especially,the total number of people in an area. |
| population density | the average number of people living in a given area. |
| demoprapher | a scientist who studies human populations,including their size;growth;density ;disturbing; and rates of births,mairiages,and deaths. |
| population distribution | how a population is spredad over an area. |
| birthrate | the number of live births each year per, 1,000 people. |
| deathrate | the number of deaths each year per 1,000 people. |
| life expectcency | the number of years that s person may be expected, on average,to live. |
| migration | the mopvement |