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vocab. for world C
Question | Answer |
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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 |