Geofinal-lec-exam-(2008) - Principles of Geology(GEOL 1100...

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1 Principles of Geology (GEOL 1100) Final Lecture Exam December 17, 2008 60 pts. STOP! Write your name and student ID number on your scantron and fill in the corresponding bubbles. You may keep the exam question sheet when you are finished. 1. Geologic evidence indicates that the most likely age of the Earth is about 1. 10 trillion years 2. 4.6 billion years 3. 122 million years 4. 9.7 million years 5. 50,000 years 2. A local merchant specializing in fuels is going out of business and has decided to hold a massive clearance sale. In his haste to clear his inventory, he has assigned the same price per unit weight to all of his merchandise, for example, a pound of peat would cost you the same as a pound of bituminous coal. Which of the following would give you the most bang for your buck, i.e., give you the highest energy yield per dollar spent? 1. peat 2. bituminous coal 3. lignite 4. wood 5. anthracite coal 3. Which of the following is true of the rock cycle? 1. sedimentary rocks cannot be converted to metamorphic rocks 2. only igneous and metamorphic rocks can undergo weathering 3. heat energy from the interior of the Earth and from the sun drive the rock cycle 4. rocks are permanent and do not undergo changes after they have been formed 5. all of the Earth’s present geologic characteristics and landforms were produced when the Earth was first formed 4. Which of the following is not true of global warming? 1. it is being caused largely by increases in atmospheric carbon dioxide generated by the burning of fossil fuels 2. it is likely to alter global precipitation patterns 3. it is likely to cause a global rise in sea level 4. the amount of warming is greatest near the Earth’s poles and decreases toward the equator 5. it is unlikely to have any significant ecological effects
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2 5. Which of the following is true of the universe? 1. Columbia, Missouri is located at the center of the universe 2. the first products formed in the universe were silicon and oxygen 3. the origin of the universe and of the Earth occurred at the same time 4. the universe is thought to have originated in a giant explosion 5. all of the galaxies in the universe are moving toward one another 6. Which of the following is true of petroleum? 1. global supplies of petroleum are effectively unlimited 2. it is composed chiefly of silicate compounds 3. according to current geological consensus, conventional forms of petroleum are unlikely to be plentiful enough to serve as a major supplier of global energy needs on the scale that they are now beyond the middle of the 21 st century 4. it forms predominantly from the remains of large carnivorous sea mammals 5. oil typically forms at shallow levels in the Earth’s crust, typically at depths no greater than 100 meters 7. Which of the following is not true of the origin of the solar system?
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