In the lower Tigris-Euphrates Valley, __________________poisoned the fields once farmed by Ubaidians and Sumerians

a. the Black Death
b. Neolithic herders
c. severe soil erosion
d. high levels of salts
e. animal grazing


d

Anthropology & Archaeology

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Chiefdoms were the precursors to tribes

Indicate whether the statement is true or false.

Anthropology & Archaeology

Many people confuse the terms hypothesis and theory. What do these two terms mean and how do they differ?

What will be an ideal response?

Anthropology & Archaeology

Speciation can occur as a result of all of the following except

a. geographic isolation b. natural selection acting on populations c. ecological separation d. lack of differences in habitats e. limited gene exchange

Anthropology & Archaeology

Name three ways that a workforce can be divided

What will be an ideal response?

Anthropology & Archaeology