What do paleoanthropologists study?
a. Our closest living relatives, the chimpanzees
b. People such as the Asmat from New Guinea
c. The aged
d. Fossilized remains of human ancestors
ANSWER:
d
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Sahelanthropus tchadensis is characterized by:
A. a small, chimp-like brain case B. a relatively flat face C. a large, continuous brow ridge D. all of these
One introduction to Native Americans by missionaries was __________
a. the eight-hour workday b. religious holidays c. the concept of sin d. the concept of heaven
Which of the following best represents an egalitarian society?
A) All people within a society have exactly the same rights and responsibilities. B) Societies prevent individuals from gaining prestige or power by frequently rotating leadership positions. C) People are not praised for their skills or abilities because the society prefers to emphasize the equality of all members. D) There are as many positions of prestige in any given social group as there are persons capable of filling them.
If the cost of capital is $45 per hour, the wage paid to employees is $25 per hour, the marginal product of capital is 90 units per hour, and the marginal product of labor is 75 units per hour, to minimize its costs, the firm should ________.
A) decrease the amount of labor used and increase the amount of capital used B) not change the amount of labor or capital C) increase the amount of labor and capital used D) increase the amount of labor used and decrease the amount of capital used