3. Dean used a triple beam balance to find out that the mass of basalt rock (oceanic crust) was 15 g. Dean then used a graduated cylinder to find out the volume is 5 ml. What is the density of the rock? Compare the answer
to the continental crust of 2.7 g/cm.*
6 g/mL
9 g/m
3 g/mL
10 g/mL