To maximize profits, a perfectly competitive firm and a monopoly will set ________ equal to ________.
A) marginal revenue; marginal cost
B) marginal revenue; average total cost
C) marginal cost; average total cost
D) marginal cost; average variable cost
A) marginal revenue; marginal cost
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Evidence from Zhoukoudian suggests that Homo erectus:
a. was a scavenger. b. built wooden structures. c. lived there continuously for over 250,00 years. d. were settled agriculturalists. e. kept domesticated animals.
Hominins have been variably defined as having which of the following?
a. a large brain, toolmaking abilities, adaptations for bipedalism b. toolmaking abilities but no adaptations for bipedalism c. adaptations for bipedalism, but lacking a large brain d. a large brain and no toolmaking abilities and adaptations for bipedalism e. a small brain, no toolmaking abilities and no adaptations for bipedalism
Phenotypic similarities and differences always have a genetic basis.
Answer the following statement true (T) or false (F)
Early-twentieth-century anthropologists argued that since there are no universal moral values, each society's values are valid with respect to the specific circumstances and conditions of that society. What is this view called?
A. ethical relativism B. cultural relativism C. social morality D. social ethics