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Tuesday, January 7, 2014

The Evolution of an Ice Age

Throughout the past 40 million years our fusee has been in a continuous crackpot-skating rink age. This period is considered an ice rink age because of the ongoing presence of an ice sheet that before long covers Antarctica. An ice age can be thought of as a period of time where the Earths body fluid is constantly reducing in temperature, which causes the formation of ice sheets and glaciers. This winding-sheet of the Earth doesnt happen all at once, it goes by cycles of unattackable and cold weather. The colder cycles are referred to as glacial periods and the sens cycles are referred to as interglacial periods. These periods occur on intervals of 40,000 and 100,000 years. During these cycles ice sheets and glaciers harbor and retreat with respect to the climatic conditions. The last glacial period, the Wisconsin Glaciation, excite approximately 11,000 years ago. The deglaciation of ice sheets and glaciers, which happens when we enter a interglacial warm period , are important because they have an immense impact on the land structure and vegetation throughout our continent, as puff up as the rest of the world. The deglaciation of the Wisconsin Glacier caused the formation of the Great Lakes as enumerate up as Niagara Falls in New York. This melt down of ice sheets also causes sea levels to rise which covers landforms.
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The water submerges link and passageways amongst continents that were used by animals which migrated from continent to continent. This prevents certain species of mammals and plants from returning ring mail to their native land, which drastically chan ges the vegetation and habitat of certain ar! eas. This committal to writing will look at proposed factors that caused previous ice ages and glaciation periods: atmospheric composition, Milankovitch cycles (Earths orbit around the sun), the movement of tectonic plates and changing continental positions. Our Earths atmosphere is made up of such gases as nitrogen, oxygen, methane and carbon dioxide. The purpose of our atmosphere is to nurse our...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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