The fossil KNM-ER 1470, sometimes called H. rudolfensis, was unusual because it
A. lived at the same time as Au. afarensis.
B. has a combination of large molars and a large brain.
C. was found with Upper Paleolithic tools.
D. was the first hominin species found in the Americas.
E. was the first hominin species found outside of Africa.
Answer: B
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Refer to the figure below. Which of the following could have caused the shift in the demand curve?
A) a decrease in the number of demanders for Good Z
B) an increase in the price of a complement for Good Z
C) a decrease in the price of a substitute for Good Z
D) an increase in the expected future price of Good Z
Many Westerners view the practices of dowry, bride wealth, and bride service to be about "buying" a wife. Explain why this is an inaccurate description of economic marriage transactions
What is the purpose of such economic exchanges between families?
Most countries of the world have a single ethnic group accounting for 90 percent or more of the population
Indicate whether the statement is true or false.
Religious practices in which the members of a group cooperate in the performance of rituals intended to benefit all are called:
a. ecclesiastical. b. communal. c. shamanistic. d. individualistic.