Levels of production and related occupations.
Answer Text: Levels of production and related occupations.-Levels of production refer to stages at which production activities are carried out.They are 3:a)Primary level of productionb)Secondary level of productionc)Tertiary level of production.Primary level of production.-Also known as extraction level of production, deals with extraction of raw materials from their natural state.Occupations at extraction level:-Fishing-Quarrying-Farming-Lumbering-Mining.