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It is naturally unstable and so it will spontaneously decay back into N-14 after a period of time.It takes about 5,730 years for half of a sample of radiocarbon to decay back into nitrogen.

Archaeology is an important field of anthropology, which is the broad study of human culture and biology.

Archaeologists concentrate their studies on past societies and changes in those societies over extremely long periods of time.

There are several ways to navigate through the materials.

SYNONYMS OR RELATED TERMS: (antonym: diffusion)CATEGORY: term DEFINITION: The adoption of a trait or traits by one society from another and the results of such changes.

Archeology is the scientific study of past human culture and behavior, from the origins of humans to the present.

Archaeology studies past human behavior through the examination of material remains of previous human societies.

Though directed change involves selection, it results from the interference in one SYNONYMS OR RELATED TERMS: convergent evolution; antonym: diffusion CATEGORY: term; technique DEFINITION: Term used to describe the appearance of similar traits in different areas or at different times or in different contexts, as a result of parallel or converging evolution.

For example, SYNONYMS OR RELATED TERMS: diffusion CATEGORY: term DEFINITION: In anthropology, the transmission or borrowing of certain culture traits from the group of origin into a foreign group; usually technological elements rather than those of .

Seriation, also called artifact sequencing, is an early scientific method of relative dating, invented (most likely) by the Egyptologist Sir William Flinders Petrie in the late 19th century.

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