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A. Short answer questiWhat are seismic waves?Why can't we reach the centre of Earth2Who is a geologist?Define the following terms 1022a. Rockb. MagmaLong answer questions​

Answer»

Explanation:

The reason for this was SIMPLE. S-waves can only reverberate through solid material, and can't make it through liquid. They must have COME up against something MOLTEN in the centre of the EARTH. By mapping the S-waves' paths, it turned out that rocks became liquid around 3000km down.



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