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Scientists have discovered that the inner core of Earth is a solid while the outer core is a liquid. What is the cause of this observation? what answer is it

User DamnWidget
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Answer:

Scientists figured out that the outer core must be liquid because S waves do not pass through it, but P waves do. The behavior of P and S waves also indicates that the inner core is solid. The speed of seismic waves also depends on the density of the material through which they are traveling.

Step-by-step explanation:

User Mfsiega
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