Examlex
-The triple (20,21,29) is a Pythagorean Triple.
Neolithic
The New Stone Age; a prehistoric period beginning about 10,000 years ago in which peoples possessed stone-based technologies and depended on domesticated crops and/or animals for subsistence.
Division of Labor
The allocation of different tasks and responsibilities to different individuals or groups, typically to increase efficiency in production or services.
Diffusion
The spread of certain ideas, customs, or practices from one culture to another.
Ideas
Mental representations or thoughts that arise in the mind, ranging from concepts, plans, opinions, to creative innovations.
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