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13 Cards in this Set
- Front
- Back
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Demography |
The study of population numbers, distribution, trends, and issues |
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Census |
The process of collecting, compiling, and publishing demographic, economic, and social data about all people living in a particular area |
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Developed Country |
A country with a highly developed economy and infrastructure and high living standards |
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Developing Country |
A country with a less sophisticated economy and lower standard of living than developed countries; may have extensive poverty |
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Crude birth rate |
The number of births per 1000 people in a country in a given year |
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Crude death rate |
The number of deaths per 1000 people in country in a given year |
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Natural Increase |
The rate at which a population increase ( or decreases) in a year expressed as a percentage of the total population. Subtract death rate from birth rate |
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Rule of 70 |
The time it takes a country to double its population, approximately 70 divided by the country's growth rate |
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Sustainable development |
A way to maintain economic growth without damaging the environment. |
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Biosphere |
Regions of earth occupied by living organisms, made up of all the ecozones |
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Ground water |
Eater beneath earth's surface in underground streams and other forms |
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Ozone layer |
A thin layer of ozone in the atmosphere 15-30km above earth; filters the sun's ultraviolet rays |
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Aquifers |
An underground layer of rock, gravel, etc. From which water can be drawn for wells an which is a source of springs |
