quiz2 - April 1, 2008 W Name (printed)_ 100 points Page 1...

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April 1, 2008 W Name (printed)______________________________________ 100 points Page 1 of 5 GEO 303, Quiz 2 INSTRUCTIONS : (i) Print and bubble in your name and UT EID on the answer sheet. (ii) Write "W" (for white exam) in the upper-right corner of your answer sheet. (iii) Answer the questions by blackening the "bubbles" on the answer sheet. Each question is worth 2.5 points. If more than one answer is correct, choose the best (most inclusively correct) answer. (iv) Turn in this exam copy and your answer sheet together, with your name on both. 1. Which one of the following pairs an earthquake hazard with a correct description of that hazard? (A) liquefaction, a process of flow of water-saturated sediment; (B) seiche, an earthquake-generated landslide; (C) tsunami, the repeated sloshing of water back-and-forth in a closed basin. (D) Both answers B and C (but not A ) are correct. 2. The table associates a meandering or braided stream with a description of its channel, distance from the source, and type of sediment load. Which association is correct? Environmen t Channel Distance from Source Type of Sediment (A) meandering, one main channel, near, coarse-grained and poorly sorted; (B) meandering, several channels, far, fine-grained and well sorted; (C) braided, several channels, near, coarse-grained and poorly sorted; (D) braided, one main channel, far, fine-grained and well sorted. 3. How does a seismometer work? Seismic wave vibrations cause: (A) a mass of graphite powder to contract and expand, thereby varying its ability to conduct electricity; (B) a thin, flexible metal strip to wave to and fro; (C) a displacement between a steady mass (which doesn’t shake) and its suspending apparatus (which does shake); (D) tiny ripples in a liquid medium, which are analyzed. 4. All but one of the following processes are part of the delta cycle. Which one is the exception? (A) Very coarse-grained sediment is deposited in the prodelta. (B) As the delta progrades seaward, the length of the distributary channel increases. (C) An abandoned delta lobe subsides below sea level. (D) As the delta progrades seaward, coarser-grained sediments are deposited on top of finer-grained sediments. 5. The speed at which a P wave travels through a particular rock depends on: (A) the size of the earthquake that produced the wave; (B) the distance the wave has traveled; (C) the incompressibility, rigidity, and density of the rock. (D) All of factors A , B , and C influence P-wave speed. 6. Why is Ichthyostega so important? This fossil organism: (A) represents an evolutionary link between dinosaurs and birds; (B) represents an evolutionary link between fish and amphibians; (C) provides evidence that warm-bloodedness first evolved in dinosaurs and later in birds; (D) provides evidence that flight first evolved in non-avian dinosaurs, and later in birds and mammals. 7.
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This note was uploaded on 11/03/2010 for the course GEO 26750 taught by Professor Kocurek during the Spring '10 term at University of Texas.

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quiz2 - April 1, 2008 W Name (printed)_ 100 points Page 1...

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