As a result of trade with outsiders, Baffin Island Eskimos increased the carbohydrates in their diet
Indicate whether the statement is true or false
TRUE
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At present, the Y r k practice three different adaptive strategies; these are
A) sedentary pastoralism, horticulture, and hunting. B) nomadic pastoralism, hunting-and-gathering, and ranching. C) horizontal migration, irrigated agriculture, and floodwater farming. D) nomadic pastoralism, sedentary agriculture, and trade or shopkeeping. E) trade, shifting cultivation, and raiding neighboring groups.
Randolph Nesse associates depression with __________
a. situations that are not adaptively challenging b. the pursuit of obtainable goals c. natural selection for a period of low activity following a crisis d. a mood disorder exhibited in all social primates
Archaeologists use only absolute dating techniques to date fossils
a. True b. False Indicate whether the statement is true or false
Before the Industrial Revolution, humans increased the amount of product derived from one unit of land and labor by
A) the use of hydraulic pumps. B) the use of windmills to grind grain. C) the use of sails to power ocean going ships. D) developing new crop varieties. E) all of the above.