document.write( "Question 1181215: Carolyn and Ken are learning about the geosphere, atmosphere, biosphere, and hydrosphere. They put sand in a small swimming pool. They dug a hole in the middle and filled the hole with water. They turned a fan on and watched how the water and sand changed.\r
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Algebra.Com's Answer #811093 by ikleyn(52879)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Sand = geosphere\r
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\n" ); document.write( "\n" ); document.write( "fan = atmosphere\r
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