Multiple Choice
The difference between a natural level and an arbitrary level is:
A) natural level is a vertical subdivision and an arbitrary level is a horizontal subdivision.
B) natural level is a horizontal subdivision and an arbitrary level is a vertical subdivision.
C) natural level is a vertical subdivision based on natural breaks in sediments and arbitrary level is a vertical subdivision used only when natural strata are lacking or more than 10 cm deep.
D) irrelevant. Natural levels are no longer used in archeology, only arbitrary levels are used.
Correct Answer:

Verified
Correct Answer:
Verified
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