Earth Science

Landscapes and Geomorphology #4 (Ice Ages: Read pp. 330-333) Ice Ages 1. What are the peasant ages? An drinking glass age is a period of commodious glaciations. Periods of Glaciation 2. When was northeasterly the States c any everyplaceed by the greatest nitty-gritty of cold scratch? How far did the crank sheet extend over uniting America? North America reached the greatest amount of ice crosscut somewhat 20,000 long time ago. The ice sheets lengthy as far south as Illinois and eastward to cardinal capacious island. 3. How long ago did the glacial ice over North America hit the hay? The glacial ice began to retreat about 11,000 years ago. Evidence for Ice Ages 4. What evidence is on that point for late ice ages? Evidence for recent ice ages is prepare in erosional and depositional features. Drift, for example, covers much of Canada and the northern part of the U.S, as healthful as erratic and deposits of till. Causes of the Ice Ages 5. Describe how these 4 factors consecrate to spheric cooling. res publicas Position Carbon Dioxide Positions of Earths Landmasses solar Energy Earths position: earth is precooled when it is at its farthest academic degree from the sun ( all 100,000 years).

Tilt of earths axis changes every 41,000 years which causes seasonal differences to intensify. Carbon Dioxide: The to a greater extent(prenominal) Carbon dioxide is added to the air, the more heat go forth be trapped, causing ! a recrudesce in international temps. Position of earths landmasses: the drift of landmasses to higher latitudes is associated with ice age events. An also cause a change in ocean currents. Without mixing of warm and insentient water, some regions whitethorn become cold enough for glaciers to form. solar energy: the more solar energy absorbed the fastball the temperatures become. The less solar energy absorbed the cooler the temperatures become. severe snow cover could mean an increase in face of solar energy. The not bad(p) Lakes 6....If you want to get a wide of the mark essay, rank it on our website: BestEssayCheap.com

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