The population pyramid of a city in southern Florida, Arizona, or even northern Japan may have a visual appearance of ________ because the city's population is dominated by elderly people.
A) being upside down
B) having a wide base
C) having perfectly vertical sides
D) being an age-sex ratio
E) being rightside-up
Question 2
The shape of a country's population pyramid
A) may be used to predict maternal mortality rates.
B) cannot be used to determine infant mortality rates.
C) may be used to estimate the country's dependency rate.
D) cannot be used to estimate the country's sex ratio.
E) is determined primarily by the combination of its crude birth rate and its crude growth rate.
Northern ice cap of Mars in 1999
Population growth and growth rate, 1950 - 2100
Northern and Southern Hemispheres
Population Forecasting
Some Cases of Population Aging
The population of a city has continued to grow since 1950.