Multiple Choice
The Mohorovicic discontinuity marks the change in rock density between the
A) inner and outer core.
B) core and the mantle.
C) mantle and the crustal surface.
D) asthenosphere and lithosphere.
Correct Answer:
Verified
Correct Answer:
Verified
Q21: Earth's magnetic field<br>A)never appreciably changes.<br>B)has reversed itself
Q23: The balance of gravitational and buoyant forces
Q24: The inner core is solid because<br>A)it is
Q25: New lithosphere is formed at<br>A)ocean trenches.<br>B)convergent plate
Q27: The propagation of seismic waves through Earth's
Q28: Magnetic surveys of the ocean floors reveal<br>A)alternating
Q29: The lithosphere includes<br>A)continental and oceanic crust.<br>B)the crust
Q31: The thickness of Earth's crust<br>A)varies from about
Q34: The lithosphere floats atop the<br>A)mantle.<br>B)crust.<br>C)asthenosphere.<br>D)mohorovicic.
Q58: Earth's internal layers were discovered by studying<br>A)seismic