The Earth's outer core is not solid, but fluid. How do we know this?

The Earth's outer core is not solid, but fluid. How do we know this?

a. S waves cannot travel through fluid, and they do not travel through the Earth's core.

b. We have sent a manned mission down there.

c. P waves cannot travel through fluid, and they do not travel through the Earth's core.

d. We have sent a camera probe down there.

^^^ I am 90% sure its A, but I just want to make sure ?

The melting temperature of a rock changes as pressure increases deeper within Earth.

True or False?

^^ I think its True??

1 Answer

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  • 8 years ago
    Favorite Answer

    1 Be 100% certain that is correct.

    #2 True also correct.

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