Molecular anthropologists have used genetic technologies to investigate the relationships between human populations and between humans and nonhuman primates
a. True
b. False
Indicate whether the statement is true or false
True
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The long-term result of irrigation is often to build up a concentration of minerals that lowers the productivity of the soil
Indicate whether the statement is true or false
Evidence of increased long-distance trade comes from villages established
a. in Paleolithic times. b. in Mesolithic times. c. after the rise of food production. d. long before the rise of food production.
Among what indigenous population have scientists found the highest levels of PCBs (polychlorinated biphenyls)?
a. Maya b. Yanomamo c. Inuit d. Pashto
Which of the following is NOT an accurate description of Neandertal life?
a. Wore reindeer hides b. Used sharpened wood c. Lived in large caves d. Had limited agricultural plots e. Hunted wooly mammoths