The orogenic event of the North American Cordillera, which began in the Late Cretaceous and
extended into the Cenozoic, is the
a. Laramide. d. Antler.
b. Sevier. e. none of the above
c. Nevadan.
A
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Which of the following must balance the vertical pressure gradient force so that the atmosphere around the Earth does not rush off into space?
A. horizontal pressure gradient force B. centripetal force C. Coriolis force D. gravity
Which of the follwoing acts to keep a rock solid (instead of melting)?
a. an increases in temp. b. an increase in the vibration with lattice c. an increase in confining pressure d. none of these
The general area where a tornado is likely to form can often be predicted up to ____ days in advance
A) 3 B) 7 C) 10 D) 14
Which organism, developing approximately 4.2 million years ago, represents the link between humans and apes?
A) Homo habilis B) Homo erectus C) Homo sapiens D) Australopithecus