Concept:Occupational distribution of a population describes how the working population is shared among different job types in an economy.
Explanation:The type of work people do is largely shaped by economic realities such as income levels, job opportunities, and production systems.
It is also affected by the level of education, technology, and availability of natural resources.
These conditions determine whether most people go into agriculture, manufacturing, services, or other occupations.
Religious practices, geographical location, and social traditions are less influential in explaining the overall pattern.
Therefore, the economic factor is the main determinant of the occupational distribution of the population.
Answer:A. economic factor