The age- sex ratio based on the representation of---
a)Life expectancy
b)Distribution of population
c)Density of population
d)Population pyramid
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Explanation:
a)Life expectancy...........
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The age - sex ratio is based on the representation of Population Pyramid .
The Population Pyramid is a Graphical representation of the age and sex composition of a country .
With the help of a Population Pyramid , the total population of a country can be categorised into different sex and age groups .
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