Traditional agricultural systems are surprisingly much more efficient in terms of energy than modern mechanized agriculture
a. True
b. False
ANSWER:
True
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All of the following are aspects associated with sexual norms except they are:
a. ?created solely to procreate. b. ?common or acceptable codes of sexuality. c. ?occurring within a specific cultural group. d. ?acceptable at a specific historical period.
Which of the following statements about ranked societies is FALSE?
A. All chiefdoms are ranked societies. B. They are characterized by a continuum of status among their members. C. All ranked societies are chiefdoms. D. They lack social strata. E. They have hereditary inequality.
The molecular clock allows scientists a better calculation of the time when one species split off from another
a. True b. False Indicate whether the statement is true or false
Which of the following is NOT true of tribal warfare?
a. It can occur due to territorial trespasses. b. Killings and counterkillings are major contributing factors. c. Territory expansion is not usually the ultimate goal. d. It generally has economic motives.