4 Main Activities that Generate Income | Population | Geography

In this article we will discuss about the four main activities that generate income. The activities are: 1. Primary Activities 2. Secondary Activities 3. Tertiary Activities 4. Quaternary Activities.   1. Primary Activities: Primary activities are directly dependent on environment as these refer to utilization of earth's resources such as land, water, vegetation, building materials and minerals. Thus, it includes, [...]