12 drumlins eskers kames and kettle holes 13 left

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irregularly distributed, till deposits left by continental ice sheets. 12. Drumlins, eskers, kames and kettle holes. 13. Left only. 14. It is a body of glaciers formed together to create a block of ice slightly better. A glacier carries moraine (rocks and rubble) on top of it, and at the terminal, much of the glacier's ice will melt away under the moraine. 15. 16. High latitude land areas are much more extensive in the Northern Hemisphere. Thus, during the Pleistocene glacial advances, ice sheets covered larger land areas in the Northern Hemisphere and, despite the extensive Antarctic ice sheet, contained twice the volume of ice as glaciers in the Southern Hemisphere. 17. Drastic changes in climate forced migrations of fauna and flora. Sea level dropped as vast quantities of water were removed from the ocean and stored as ice; and lowered sea levels caused some downcutting by rivers and streams. 18. Glacial episodes in the geologic history of Earth coincide with times when large, continental areas were situated at high latitudes. The ice ages were made possible by the large land masses at high latitudes. However, plate movements during the Pleistocene are not large enough to have caused the glacial-interglacial climatic fluctuations.
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  • Spring '13
  • NguyenVanVuong
  • Glacier, piedmont glacier, Christian Smith, ice sheets

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