Examlex
A nova is caused by the ignition of ____.
Primary Sector
The sector of an economy involving the extraction and collection of natural resources, such as agriculture, forestry, fishing, and mining.
Secondary Sector
The part of the economy that is concerned with transforming raw materials into finished or semi-finished products, often referred to as the industrial sector.
Tribal Society
A form of society structured around family ties, with social organization typically based on clans or tribes.
Division of Labor
The separation of a work process into a number of tasks, with each task performed by a separate person or group, leading to increased efficiency.
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