A.four B.three C.five D.two
A.core cities to the suburbs B.rural areas to cities C.small cities to large cities D.None of the above
A.inFlorida B.in business with Cuba C.politically7 D.economically
A.storms and earthquakes B.volcanoes and floods C.earthquakes and volcanoes D.floods and storms
A.the Hudson River B.the Mississippi River C.the Missouri River D.the transcontinental railway
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