108_Summer_Final_Testbank

108_Summer_Final_Testbank - CRISES OF A PLANET GEOL 108...

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CRISES OF A PLANET - GEOL 108 FINAL EXAM TEST BANK Uncertain answer at first *: answer confirmed A. TRUE/FALSE (2 points each) Designate which statements are TRUE or FALSE by filling in the A (true) or B (false) blank on the SCANTRON answer sheet. 1. *The rise of the Alps and Himalaya Mountains at 40 to 60 million years ago contributed to cooling of the planet. 2. * The advance of an ice age will induce decreased stream erosion due to the withholding of water in the growing polar ice caps . × 3. *Aretes are large U-shaped valleys carved by glaciers. × 4. *Aretes are sharp ridges eroded by glaciers. 5. * Glacial crevasses often extend down to the bottom portion of a glacier exposing polished bedrock . × 6. *The upper portions of glaciers move by brittle flow resulting in the formation of crevasses. 7. * Following the last ice age, continental areas once depressed by the weight of the vast amounts of ice are still rising today by the process of isostatic rebound . 8. *The only significant period of glaciation on the Earth was during the Pleistocene. × 9. * Glacial erratic refers to the disrupted nature of landforms left from glacial retreat. × 10. *Horns are a common erosional feature of continental glaciation. × 11. * Glacial ice moves downhill even during times of glacial retreat. 12. *Glacial ice moves uphill during times of glacial retreat. × 13. * Hanging valleys result from uplift of old glacial valleys . × 14. The existence of fiords is evidence that glaciers can erode well below sea level . 15. * The Pleistocene Ice Age reflects the gradual, long-term cooling of the Earth over geologic time . × 16. * Chlorofluorocarbons release dangerous levels of fluorine and chlorine forming acid rain . × 17. *Chlorofluorocarbons and methyl bromide breakdown in the upper atmosphere releasing Cl and Br , respectively, which in turn destroy ozone. 18. *Upper atmospheric ozone is created by lightning. × 19. *Upper atmospheric ozone accumulates from smog that rises from near the ground. × 20. * Sand accumulated on the north side of a groin indicates that the direction of longshore drift is to the north. × 21. Ocean waves that have a long wavelength will generate surf farther from shore than those with a short wavelength . 22. * Rising sea level causes barrier islands to shift their position landward . 23. *Marine terraces, such as those of Palos Verdes, are uplifted depositional land forms. × erosional 24. *Marine terraces, such as those of Palos Verdes, are indications of uplift or lowering of sea level.
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25. *Sea stacks result from "hot spot" volcanic activity along shorelines. × 26. *Sea stacks represent erosional remnants following sea cliff retreat. 27. * The fact that the Hawaiian Islands young to the southeast indicates that the Pacific Plate is moving in the opposite direction. 28. *The fact that the Hawaiian Islands young to the southeast indicates that the Pacific Plate is moving in the same direction. × 29.
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108_Summer_Final_Testbank - CRISES OF A PLANET GEOL 108...

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