Most of the productive coal beds of Paleozoic age are found in rocks formed during the ____________________ period
Fill in the blank(s) with correct word
Pennsylvanian
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While the United States is more racially and ethnically diverse than it has ever been, and segregation is declining in most of the largest U.S. cities, it has actually increased in
A) New York. B) Miami. C) Dallas. D) Los Angeles. E) Atlanta.
The shift of world manufacturing to new industrial regions can be seen most clearly in the manufacture of:
A) steel B) prefab housing C) beverages D) canned foods E) pharmaceuticals
Sumatran rhino populations have declined steadily to a point near extinction. Because of its population decline, this unusual forest-dwelling rhino is near its
A) carrying capacity and is officially listed as threatened. B) carrying capacity and is officially listed as endangered. C) critical number and is officially listed as threatened. D) critical number and is officially listed as endangered.
________ hang from the ceiling in caves
A) Stalactites B) Stalagmites C) Karst topography D) Incised meanders