John Tuzo Wilson proposed a theory stating that the Earth's outer layer is made up of _____.
A ) a dozen separate plates
B ) a thin layer of ancient soil
C ) a dozen subduction zones
D ) a dozen spreading centers
A ) a dozen separate plates
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Although the Appalachian Mountains formed during the Paleozoic Era, the present topographic features are a result of
Cenozoic geologic activity. a. True b. False
The theory of continental drift was developed using the theory of plate tectonics.?
a. True b. False
Political unity in the ancient Mediterranean world reached its height in
A) the Fertile Crescent. B) Egypt. C) the Roman Empire. D) Western Europe. E) the Alexandrian Empire.
Balkanization refers to
A) the creation of nation-states in southeastern Europe. B) the breakdown of a state due to conflicts among ethnicities. C) a small geographic area that cannot successfully be organized into states. D) ethnic cleansing. E) religions splintering into opposing groups.