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Topography and the Earth: Asthenosphere

Grade Levels: 3 - 12
Length: 00:00:10
Website: http://www.uen.org/emedia
Usage rights: Download and retain personal copies in perpetuity.

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Located beneath the lithosphere, the asthenosphere is approximately 130 to 160 kilometers thick. It is warmer than the lithospehre and has a thick, gooey consistency.

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