Multiple Choice
A student comments, "The shadow zone is an area where waves cannot travel because it is a thick layer of liquid at the boundary of the mantle and the outer core." Evaluate this statement.
A) Actually, it was the boundary of the inner core that was discovered with this method.
B) It is correct that waves cannot travel in liquid.
C) P-waves refract at the shadow zone. S-waves are stopped.
D) The shadow zone refers to the whole outer core, not just the boundary.
Correct Answer:

Verified
Correct Answer:
Verified
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