Generally, global cities are divided into
A) categories, called forward leaning, stagnant and backward leaning cities.
B) two levels, called primate and non-primate cities.
C) three levels, called alpha, beta, and gamma.
D) four levels, called alpha, beta, gamma and delta.
E) None of the above
Answer: C
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The March 1993 "storm of the century" was most like a(n)
A) nor'easter. B) Alberta clipper. C) supercell thunderstorm. D) derecho. E) blue norther.
When your skin temperature increases, you sweat. Evaporation of perspiration cools the skin. This is an example of
A) a positive feedback. B) a negative feedback. C) atmospheric turbidity. D) anthropogenic climate change.
These areas are created when land erosion and a high water table have allowed some of the water to percolate to the surface
A) mandate B) qanats C) flaj D) foggara E) oases
The Megatons to Megawatts program involves a U.S.-Russian agreement to
A) use uranium from Russian nuclear warheads as fuel for U.S. nuclear power plants. B) use uranium from U.S. nuclear warheads as fuel for Russian nuclear power plants. C) store high-level nuclear waste in common sites, buried in the bottom of the Atlantic Ocean. D) convert uranium from nuclear weapons into fuel to power spacecraft.