Archaeologists divide prehistory into periods based on a. the ...

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Archaeologists divide prehistory into periods based on
 
  a. the appearance of a cultural group in the area of interest.
  b. the appearance of trade goods and exotic raw material types that indicate interaction between groups.
  c. changes in a culture's ideology, as reflected in ceremonial items.
  d. changes in observable material culture, such as house form, pottery, or subsistence.
  e. historians' accounts.

Question 2

An archaeological culture
 
  a. is the same thing as an ethnographic culture.
  b. is an accurate reflection of how prehistoric people viewed themselves.
  c. is a region within a culture area whose material culture differed from that of other regions.
  d. is an obsolete way to define archaeological sites.
  e. is the way to specify different language speaking groups who lived in the past.

[pratush dev]

Answer to Question 1

d

Answer to Question 2

c

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TYSM

[atrochim]

Gracias!