Density of a rock

Michelle holds a small rock in her hand.
Density (D) can be found using the formula:

mass
————- = Density
volume

Which unit would be the most appropriate for calculating the density of
the rock in Michelle’s hand?
A.) lb/mm³
B.) g/cm³
C.) kg/m³
D.) ton/m³

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Assuming Michelle is not a contestant in the World’s Strongest Man Competition, the small rock’s mass will be measured in grams (g) and volume in cm³.

Therefore, the most appropriate unit for calculating the density of the small rock would be:
​
B.) g/cm³

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