a: seismic waves ~
b: medical X rays

What:

"In a way, seismic waves are like medical X rays. They allow the seismologist to get an indirect look under the planet's skin. Just as medical X rays pass through bone differently than they pass through soft tissue, seismic waves pass through the solid matter within the planet in a manner that is measurably different than th"


Useful?
Writer: Not Stated
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Where:
Date: Mar 24 2018 3:34 PM


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