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

Environmental & Atmospheric Sciences

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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

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences

________ hang from the ceiling in caves

A) Stalactites B) Stalagmites C) Karst topography D) Incised meanders

Environmental & Atmospheric Sciences