Which is more dense: a 30-g cube of material that is 30 cm on a side, or a 40-g cube of a different material that is 40 cm on a side?
A. The 30-g cube is more dense
B. The 40-g cube is more dense
C. The two cubes have the same density
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Which is more dense: a 30-g cube of material that is 30 cm on a side,...