Difference between revisions of "Concentration"
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A measurement of how much substance exists within a certain volume.<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> | A measurement of how much substance exists within a certain volume.<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> | ||
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==References== | ==References== | ||
<references/> | <references/> | ||