The Magnetic Poles Are Displaced About ______ Degrees from the Geographic

Q46: Seismic P-waves _ through continental crust relative

Q47: The average heat flow of the continents

Q48: _ indicates that the core of the

Q49: Seismic waves travel faster in oceanic crust

Q50: The Earth's core is made up of

Q52: A gravity meter registers _ over ore

Q53: _ is the return of some of

Q54: The asthenosphere may be a partially melted

Q55: Generally, seismic wave velocity decreases with depth.

Q56: Iron-nickel meteorites are an important source of