Several recent earthquakes in Washington's Puget Sound region were caused by movement of the subducting ________ Plate.
A. North American
B. Nazca
C. Juan de Fuca
D. Pacific
E. Cocos
Answer: C
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Many of the roads laid out by the ________ around 2000 years ago continue to be major routes throughout Europe
A) Vandals B) Romans C) Greeks D) Vikings E) Packers
Based on its abundance in Earth's crust, most rocks contain a mineral composed of the elements oxygen and
A. iron. B. carbon. C. silicon. D. sulfur.
While looking at a cliff, you observe that three visible layers of rocks are tilted about 30 degrees. There are four straight horizontal layers above the tilted layers
Which two principles suggest that the tilted layers are older than the horizontal layers? A) the principle of inclusions and the principle of original horizontality B) the principle of superposition and the principle of inclusions C) the principle of cross-cutting relationships and the principle of superposition D) the principle of original horizontality and the principle of superposition
Which of the following statements is true of dextrorotatory compounds?
A) They all rotate plane polarized light in a clockwise direction. B) They all rotate plane polarized light in a counterclockwise direction. C) They all rotate unpolarized light in a clockwise direction. D) They all rotate unpolarized light in a counterclockwise direction.