Although excavations at Olduvai Gorge have yielded abundant archaeological traces, no hominid remains have ever been found there
a. True
b. False
Indicate whether the statement is true or false
False
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Increasing evidence points to __________ as a contributing factor to the massive planetarylevel extinctions that occurred in the distant past
A. meteorite strikes B. volcanic activity C. gamma rays D. dropping sea levels
Through contact with European traders, the Hawaiian chiefdom was transformed from a political organization based on __________ to one based on __________
A. kinship; personal charisma B. reciprocity; redistribution C. personal ability; divine right D. theocracy; military force
Refer to the table below. What is the average total cost of producing 85 units of output?
The table provides output levels as Paper Products R Us hires more workers. Their capital is currently fixed at 4 units and each unit costs $100. Each worker costs $50.
A) $2.52
B) $650
C) $7.65
D) $4.70
Polyandry is adapted to a number of different economic and demographic circumstances. Among the Toda of South India, it is an adaptation to the:
a. Shortage of land. b. Need for men to be away as soldiers for long periods of time. c. Shortage of females, created by female infanticide. d. Low birth rate of females as compared with males. e. High degree of occupational specialization.