06. Human Resources
Explanation:
All of the above The main factors determining population distribution are climate, landforms, topography, availability of resources, accessibility like distance from the sea coast, natural harbours, navigable rivers or canals, cultural factors, political boundaries, controls on migration and trade, government policies, types of economic activities, technology including the type of farming and transportation facilities, social organization and but not the least, demographic factors like changes in natural birth and death rate and migration.