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the number of people in an area exceeds the capacity of the environment to support at a decent standard of living
crude birth rate
the total number of live births in a year for every 1,000 people alive in the society
measures the average number years a newborn infant can expect to live at current mortality levels
the process of chance in a society's population from a condition of high crude birth and death rates and low rate of natural increase to a condition of low crude birth and death rates, low rates of natural increase, and a higher total population
the time when human beings first domesticated plants and animals and no longer relied entirely on hunting and gathering
a series of improvements in industrial technology that transformed the process of manufacturing goods
improved medical practices have eliminated many of the traditional causes of death in poorer countries and enabled more people to live longer and healthier lives
zero population growth
a decline of the total fertility rate to the point where the natural increase rate equals zero
the branch of medical science concerned with the incidence, distribution, and control of diseases that affect large numbers of people
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