To compare the scale of Europe to that of North America, draw a circle 500 miles (800 kilometers) around Frankfurt, Germany. Then do the same for Chicago. This distance is about a day's journey by car from each of the two cities
What does this exercise tell you about the differences in scale and social geography between the two regions?
Within 500 miles of Frankfurt, there are 16 different countries. A 500-mile drive from Chicago will just barely include Canada; otherwise, the entire radius is located with the territorial boundaries of the United States. Consequently, the social geographies exhibited in Europe—including linguistic and religious diversity—is tremendous.
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Each coulomb of charge for a 12-volt object has
A. 12 newtons of force. B. 12 watts. C. 12 joules of energy. D. 12 amperes of current.
Today, in 2015, the human population totals about ________
A) the same as for the past six years, 5.35 billion B) 9 billion C) 10 billion D) 2% less that it did in 2010 E) 7 billion
Population growth rates of various key species are important to understand, as large growth rates of any one species can easily affect the natural resources within an ecosystem
Assume that a population of 200 exotic parrots (all of the same species) accidentally escaped from a Miami zoo during a recent hurricane. After intense efforts, 215 are recaptured one year later. Calculate the population growth rate of this parrot species, and based on this growth rate, explain how long it would have taken for this population to double in size, if they had not been recaptured.
Statistically, the 100-year flood has a ________ percent chance of occurring any year.
A. 50 B. 63 C. 10 D. 1 E. 2