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1 vote
We know that Earth's outer core is liquid because...

a Both earthquake P-waves and S-waves are blocked from passing through it.
b The crust and mantle both float on top of it.
c Earthquake S-waves are blocked from passing through it.
d Earthquake P-waves are blocked from passing through it.

1 Answer

6 votes
The answer would be C.

P waves can travel through both solid and liquids while S waves could only travel though solid.
User MeetJoeBlack
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