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Earth Sciences 21 Online
OpenStudy (anonymous):

How do we know that some layers of the earth are solid and some liquid? @iambatman @ganeshie8 @Kainui

OpenStudy (anonymous):

We used drills

OpenStudy (anonymous):

And earth quakes help to, actually you can prob learn more about this if you read about it here: http://scienceline.ucsb.edu/getkey.php?key=3249

OpenStudy (anonymous):

It seismic waves are one of the top reasons (caused by earthquakes)

OpenStudy (anonymous):

what type of drills? @iambatman

OpenStudy (anonymous):

@iambatman

OpenStudy (anonymous):

Idk big drills, you should really do this research yourself.

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