Answer:
The answer is b.
Step-by-step explanation:
Population pyramids is a graph that shows the number of people in each age range of a population. Each level of the graph moves up by 5 years, typically. 0-15 is considered young dependants, 15-64 is considered economically active and 65+ is considered elderly dependant. The graph is grouped into male and female. It is more common to see the male column on the left and the female on the right.