Volume- the amount of space, measured in cubic units, that an object or substance occupies.
Weight- the amount or quantity of heaviness or mass; amount a thing weighs.
Gravity- heaviness or weight.
Presence- the state or fact of being present, as with others or in a place.
Absence-lack; deficiency
Mass-a body of coherent matter, usually of indefinite shape and often of considerable size
Sunday, December 6, 2009
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