On what is the proposed Fifth Wave of the Kondratiev cycle based?
A) solar energy
B) outsourcing
C) expansion of free trade agreements
D) information technology
E) decline of labor unions
D
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Laminar flow, where water moves in approximately straight-line paths, characterizes ________
A) slow-moving streams B) the bottoms of channels C) fast-moving streams D) the edges of channels E) all of the above
The most likely form of erosion that causes cirques to form is
A) abrasion. B) plucking by ice. C) scouring by ice. D) meltwater action.
In comparing Malthus's theory to actual world food production and population growth during the past half-century, the principal difference is that
A) actual food production has been much higher than Malthus predicted. B) Malthus's theory predicted much higher food production than has actually occurred. C) actual population growth has been much higher than Malthus predicted. D) Malthus's theory predicted much higher population growth than has actually occurred. E) population increased geometrically while food production increased arithmetically.
Greatest magnetic force acts on a current carrying wire when it
A. carries a very large current. B. carries large current and is perp C. is perpendicular to the magnetic field. D. none of the above