Multiple Choice
The propagation of seismic waves through Earth's interior provides evidence of internal layering. The first boundary discovered was the boundary between the
A) upper and lower mantle.
B) inner and outer core.
C) outer core and the mantle.
D) mantle and the crust.
Correct Answer:

Verified
Correct Answer:
Verified
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
Q26: The Mohorovicic discontinuity marks the change in
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
Q32: Secondary waves can travel through all areas
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