Question

Why the velocity of P-waves drops down in the outer core and again rises in the inner core?​

Answer 1

Answer:

P-waves generally bend outward as they travel through the mantle due to the increased density of mantle rocks with depth. When P-waves strike the outer core, however, they bend downward when traveling through the outer core and bend again when they leave. ... The bending of seismic waves is called refraction.

Explanation:

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Answer 2

Answer:

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