GEOL_101_EXAM III - GEOL 101 Physical Geology Fall Semester...

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GEOL 101: Physical Geology Fall Semester 2010 Examination III, October 21, 2010 Chose the best answer for each question using a No. 2 pencil and a No. 16485 (purple) scantron. Note that this test is written on both sides of the page. 1. The transfer of rock and soil down slope under the influence of gravity defines A. weathering B. mass wasting C. erosion 2. What kind of weathering leads to the breaking of minerals or rocks into smaller fragments without altering its chemical composition? A. chemical weathering B. physical weathering C. biological weathering 3. Water expands by what percentage when it freezes A. 7% B. 8% C. 9 % 4. One of these is not a major process of chemical weathering A. dissolution B. oxidation C. carbonization 5. During fall season, snow falls in the Rocky Mountains. The natural color of this snow is A. green B. blue C. white 6. What does scientist worldwide believe killed dinosaurs? A. ice age B. a giant asteroid C. massive volcanoes D. I don’t believe that dinosaurs existed 7. In what city did the massive volcanoes, giant asteroid, or ice age occurred that led to the death of dinosaurs? A. Yucatan B. Mexico City C. Tijuana D. I don’t believe that dinosaurs existed 8. Ancient soils are called? 9. Which of the following formulas best show the reaction that produces acid rain?
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10. The tendency for variations in current velocity to segregate sediments on the basis of particle size is called ______.
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