Solution:
Primary activities are directly dependent on environment as these refer to utilisation of Earth’s resources, such as land, water, vegetation, building materials and minerals. It, thus includes, hunting and gathering, pastoral activities, fishing, forestry, agriculture, and mining and quarrying. The workers are called red collared workers. Secondary activities add value to natural resources by transforming raw materials into valuable products. Secondary activities, therefore, are concerned with manufacturing, processing and construction (infrastructure) industries. These jobs are called blue collared workers job.
Tertiary activities include both production and exchange. The production involves the ’provision’ of services that are ‘consumed. Exchange involves trade, transport and communication facilities that are used to overcome distance. Tertiary jobs are called White Collar Jobs. Quaternary activities are specialised tertairy activities in the Knowledge Sector’ which demands a separate classification. There has been a very high growth in demand for and consumption of information-based services from mutual fund managers to tax consultants, software developers and statisticians.
Quinary activities are services that focus on the creation, rearrangement and interpretation of new and existing ideas; data interpretation and the use and evaluation of new technologies. Often referred to as 'gold collar' professions, they represent another subdivision of the tertiary sector representing special and highly paid skills of senior business executives, government officials, research scientists, financial and legal consultants, etc.
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