Refer to the figure below. Which of the following could have caused the shift in the demand curve?
A) an increase in the price of a substitute for Good Z
B) a decrease in the expected future price of Good Z
C) a decrease in the price of Good Z
D) an increase in income if Good Z is an inferior good
A) an increase in the price of a substitute for Good Z
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Rank in the coal pits correlates to
a. a worker's gender. b. an individual's age. c. number of years working in the mine. d. hierarchy of the machines used to expose the coal.
Answer the following statement(s) true (T) or false (F)
1. In terms of locomotion, the primates can be said to be specialized for arboreal locomotion. 2. Primates whose dominant locomotor pattern is vertical clinging and leaping are characterized by legs longer than arms. 3. A form of quadrupedalism in which the animal suspends itself by a prehensile tail is called Old World semibrachiation. 4. Features of the hominoid skeleton, such as the short, broad trunk and the backward positioning of the clavicle, are adaptations for suspensory behavior. 5. In the human skeleton, the lumbar curve and nongrasping, big toes are adaptations for erect bipedalism.
Genetic equilibrium is maintained in a gene pool under ideal conditions. This equilibrium is disturbed by:
A. nonrandom mating B. mutation C. genetic drift D. all of these
A big man's position depends on all of the following except
A. hard work. B. inherited status. C. generosity. D. personal charisma. E. accumulation of wealth.