The mantle can be separated into two different portions-the lower mantle and the upper mantle. The lower mantle is
A) completely solid due to extreme pressure that prevents rocks from melting.
B) composed of putty that flows like molasses.
C) rigid and cannot flow.
D) predominantly liquid.
Correct Answer:
Verified
Q2: Motion of a P-wave is
A)side to side.
B)transverse.
C)longitudinal.
D)up
Q3: Surface waves are useful for investigating Earth's
Q4: Seismic waves are classified as body waves
Q5: Secondary waves can travel through all areas
Q7: P-waves refract at the boundary between inner
Q8: Body waves
A)come in two principal types.
B)refract at
Q9: Seismic waves are like
A)X-rays, because they let
Q14: Earth's internal layers were discovered by studying
A)seismic
Q28: Because S-waves do not travel through Earth's
Q34: We can say that Earth's crust floats
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