It is the activity performed man in order to satisfy his needs e.g. farming, hunting, taping etc.
Agriculture: it is the most important economic activity in less developed world e.g. subsistence agriculture and extensive subsistence family
Industry: in its wide term, the word industry is used to cover all form of economic activities e.g. primary, secondary industries etc.
Mining: the extraction of minerals such as iron ore and copper etc.
Fishing: this is the act of exploiting river, lake or oceans for fish
