Since the map that is required to determine the countries where less than 20% of the labor force are engaged in agriculture, you should use the given scale factor to interpret it.
A map is a graphical representation which can be used to depict and show all or some parts of a geographical region on planet Earth, and it's drawn to scale on a flat surface.
Since the map that is required to determine the countries where less than 20% of the labor force are engaged in agriculture, you should use the given scale factor to interpret and develop your conclusions.
For instance, all the countries with a scale factor of 1:10 would have less than 20% of their labor force engaged in agriculture.
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