The closing of the frontier in the early 20th century led eventually to
(a) exhausting the land of all fertility by overusing it.
(b) a change from an "intensive" to an "extensive" use of the land.
(c) an emphasis on water conservation projects and the irrigation of arid lands.
(d) the sale of Bureau of Land Management and Forest Service lands to provide more land
for private agriculture.
(c)
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If today the exchange rate is 1.00 euro per dollar and tomorrow the exchange rate is 0.98 euros per dollar, then the dollar ________ and the euro ________
A) depreciated; appreciated B) appreciated; depreciated C) depreciated; did not change D) appreciated; appreciated E) depreciated; depreciated
Which of the following is not a characteristic of the broiler chicken industry?
A) A significant degree of industry concentration, with the four largest firms producing 40 percent of the industry's output. B) A significant degree of real and subjective product differentiation. C) An inability of individual firms to have any influence market price. D) A significant amount of advertising.