Crater Lake in Oregon occupies a(n) ____
a. graben
b. caldera
c. syncline
d. anticline
e. fissure
b
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The land bridge called Beringia during the last glacial advance about 20,000 years ago allowed animals to be exchanged among which two zoogeographic realms?
A) Neotropic and Nearctic B) Australian and New Zealand C) Palearctic and Nearctic D) Neotropic and Paleotropic
The Himalayan Mountains resulted from an orogeny
a. True b. False
What is NOT TRUE regarding migration?
A) Causes of migration can be divided into push-and-pull factors. B) Spatial differences in economic opportunities often explain why young people leave rural areas. C) Most movements are involuntary. D) The slave trade is an example of involuntary migration. E) Impelled migration is when people move under duress.
Ninety percent of the world's population growth in the next century is expected to occur in
A. India B. China C. Less-developed countries D. Developed countries E. Moderately developed nations