A vertically integrated oil company includes which of the following activities?
A) exploration
B) drilling
C) refining
D) retailing
E) all of the above
E
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The interdependent relationship between cities and settlements of different sizes and functions within a given region is known as
A) urbanization. B) urbanism. C) urban ecology. D) an urban system. E) an urban form.
The Enhanced Fujita Scale for classifying tornado strength is based on:
a. multiple damage indicators. b. degree of damage. c. atmospheric stability. d. both a and b e. none of the above
Which one of these is a high silica rock that cooled slowly?
A. Rhyolite B. Basalt C. Gabbro D. Granite
Approximately how long was the settled area around the Rio Grande River controlled by the Spanish before New Mexico and Texas became part of the United States?
A) 50 years B) 100 years C) 200 years D) 300 years