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Look at the age-structure pyramids. The numbers between the bars (in the middle of the graphs) serve as the y-axis. What do these numbers represent?A. the population of males and females
B. the age classes, in 5-year ranges
C. the total population, in millions
D. the number of people born in a particular year
E. the percentage of the population in each age class

Answer :

Answer:The answer is B. the age classes, in 5-year ranges

Explanation:

Age structure pyramid, also called an age-sex- pyramid, is a graphical illustration that shows the distribution of various age groups in a population. It is often viewed as the most effective way to graphically depict the age and distribution of a population.

It contains continuous bars stacked on top of another with each representing an age category, making it a horizontal bar diagram. The horizontal length which is the x-axis represent the number of individuals while the age-groups are represented on the y-axis (vertical or central). The age group are the same size to maintain proportionality.

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