Question

what is based to analyse the earth's different layers​

Answer 1

Explanation:

In essence, this involves measuring sound waves generated by earthquakes, and examining how passing through the different layers of the Earth causes them to slow down. The changes in seismic velocity cause refraction which is calculated (in accordance with Snell's Law) to determine differences in density.

Answer 2

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Explanation:

In essence, this involves measuring sound waves generated by earthquakes, and examining how passing through the different layers of the Earth causes them to slow down. The changes in seismic velocity cause refraction which is calculated (in accordance with Snell's Law) to determine differences in density.

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