The surface high and low pressure centers are steered by
A) Rossby waves.
B) upper level flows.
C) jet streams.
D) all of these
Answer: D
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The average density of the Earth is 2.7 gm/cm3.
Answer the following statement true (T) or false (F)
All of the following statements about emissions trading are correct except
a. The success of emissions trading programs depends on how low the initial cap is set. b. Sulfur dioxide emissions were reduced by the emissions trading system in the United States. c. Cheating is possible without strict government oversight d. The success of emissions trading programs depends on how often the cap is lowered to promote continuing innovation in air pollution prevention and control. e. All of these answers are correct.
A characteristic of a region need not be universal for it to define a ________ region
A) formal region B) vernacular region C) functional region D) structural region E) strategic region
Compared to the United States, poor families in European cities are more likely to be
A) clustered in inner-city neighborhoods. B) dispersed throughout the city. C) clustered in suburbs. D) distributed uniformly in the city. E) living along major boulevards.