A Cavity or Body of Low-Density Material Causes a _____

Q1: The average density of the Earth is

Q2: Oceanic crust is _ continental crust.<br>A) thinner

Q3: Because _ can be accurately calculated, the

Q5: The upper mantle consists of _.<br>A) granite<br>B)

Q6: Seismic tomography uses earthquake waves and computers

Q7: Recently, geologists have been analyzing _ generated

Q8: The average temperature increase in the shallow

Q9: The force of gravity between two objects

Q10: The Moho separates the crust from the

Q11: One widely accepted hypothesis is that the