A population pyramid shows:
A. sex and age distribution within a population
B. the relation between population and land area
C. the ratio between a nation's standard of living and its population density
D. the relation between population growth and food supply
Answer:A
A population pyramid shows:
A. sex and age distribution within a population B. the relation between population and land area C. the ratio between a nation's standard of living and its population density D. the relation between population growth and food supply