The Grand Canyon, Ozark dome, Black Hills, and Adirondacks expose ________.
A. the result of delamination
B. an ancient magmatic arc
C. ophiolites
D. a fold and thrust belt
E. a Precambrian basement
Answer: E
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Electrons can sometimes fill orbitals in a manner other than according to the rules we have specified. If they do so we say the atom is in an excited state. Which of the following represent(s) the excited state of an atom?
A) 1s22s22px2 B) 1s22s12px12py12pz1 C) both a and b D) neither a nor b
Assume a hurricane in the North Atlantic is travelling toward the north at 25 km/h and its average wind speed is 180 km/h. In this scenario, what is the wind speed on the eastern side of the hurricane?
A. 180 km/h B. 205 km/h C. 230 km/h D. 155 km/h
A fold in which rock layers warp up in the shape of an A is a(n)
A) anticline. B) syncline. C) monocline.
What is the difference between invertebrate and vertebrate chordates? What organism has characteristics of both?