A) The size of each bar generally increases from the top down because of immigration.
B) The greater number of females 85 years or older reflects an unusually high percentage of females born between 1920 and 1925.
C) The declining size of bars from ages 40- 44 to ages 30- 34 most likely represents declining fertility rates.
D) The size of each bar generally increases from the top down because of increased fertility of later generations.
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A) Government institution of a population control policy
B) More senior citizens
C) More single males
D) Exponential population growth
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A) malaria
B) cancer
C) HIV/AIDS
D) diarrheal diseases
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A) 10 million
B) 10 billion
C) 20 million
D) This cannot be determined.
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A) continue to increase indefinitely
B) begin to decline by the middle of the 21st century as humans deplete Earth's resources
C) reach 13 billion by the year 2080
D) level off at approximately 10 billion in the year 2100
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A) will have a population declining in size
B) probably has a declining dependency ratio
C) has a decreasing average age
D) All of these are correct.
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A demographic transition is a theoretica...View Answer
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An ecological footprint is the cumulativ...View Answer
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A) are unrelated to per capita income
B) increase as per capita income increases
C) decrease as per capita income increases
D) decrease as per capita income decreases
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A) A
B) B
C) C
D) D
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A) The longer life expectancy has allowed people to work for more years, thus not being dependent on others for social services.
B) The decreasing birth rate has resulted in fewer children dependent on social services.
C) The life expectancy in South Asia has been declining because of natural disasters and diseases, so there are fewer elderly citizens to take care of.
D) The increasing population in the region has resulted in more working-age people who depend on social services.
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A) A
B) B
C) C
D) D
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A) requires increased spending on education but decreased costs associated with old-age medical expenses
B) requires permanently decreased spending on education but temporarily increased costs associated with old-age medical expenses
C) permits temporarily decreased spending on education and old-age medical expenses
D) requires immediate and permanent increased spending on education and old-age medical expenses
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A) a higher birth rate and a lower death rate, and is about to undergo modernization
B) a lower birth rate, a lower death rate, and has undergone modernization
C) a higher birth rate and a lower death rate
D) a lower birth rate and a higher death rate
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A) Environmental impact decreases with increased technology.
B) Environmental impact increases with increased technology.
C) Environmental impact may increase or decrease with increased technology, depending on how technology is being used.
D) Environmental impact usually decreases a country's ability to develop new technologies.
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A) The population in Canada is growing more rapidly than that in Nigeria.
B) The population in Nigeria has many more males than females.
C) The population in Nigeria is aging rapidly.
D) The population in Nigeria is growing more rapidly than that in Canada.
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A) South America
B) Africa
C) Asia
D) Antarctica
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A) The population of country A will increase faster than that of country B.
B) The populations of both countries will be stable, with similar totals and little increase or decrease.
C) The population of country B will increase faster than that of country A.
D) The population of country A will increase, but the population of country B will decline.
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A) size of the family of women of reproductive age
B) age of first reproduction of the age group
C) total fertility of the age group
D) number of individuals in the age group
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A) developing countries
B) Micronesia, Swaziland, Botswana, and Lesotho
C) the United States and other developed countries
D) China and India
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