Concept:Simple bar graphs are used to compare discrete numerical values across categories or time periods, not to display spatial or geographic patterns.
Explanation:Simple bar graphs work well for data such as the value of exports and imports because each bar represents a separate measurable category.
They are also suitable for month-by-month rainfall records, where each month is a distinct category with a numerical value.
Similarly, the values of different foodstuffs produced in a country can be compared directly using bars.
However, the distribution of population in a country refers to where people live across different regions or areas.
This is a spatial pattern rather than a simple category comparison.
Maps, dot maps, or choropleth maps are more appropriate for showing population distribution.
Hence, population distribution cannot be most suitably represented by a simple bar graph.
Answer:B. distribution of population in a country