g24 - Over70%oftheEarthssurfaceiscoveredby water

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Over  70%  of the Earth’s surface is covered by  water Of that, 95% is salt water – only 5% is fresh water  – and part of that is ice
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All the oceans are really just one body of water This is divided into the four named oceans: Pacific Atlantic Indian Arctic
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The oceans are always in motion Tides happen twice daily Tides are caused by the pull of gravity by the  moon, and to a lesser degree by the sun Why do you think the sun would pull less than the  moon?
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There are two type of Ocean Currents:  Surface Currents - Surface Circulation These waters make up about 10% of all the water  in the ocean. These waters are the upper 400 meters of the  ocean.
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Deep Water Currents - Thermohaline Circulation These waters make up the other 90% of the  ocean These waters move around the ocean basins by 
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This note was uploaded on 02/12/2011 for the course GEO 2200 taught by Professor Wolf during the Spring '08 term at University of Florida.

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g24 - Over70%oftheEarthssurfaceiscoveredby water

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