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Question: Seismic waves generally travel much shorter distances on the West Coast than on the East Coast because:

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  1.  the soil composition is different in the two regions.
  2.  the earthquakes are of a greater intensity on the East Coast.
  3.  earthquakes are more frequent on the West Coast.
  4.  communities are better prepared for earthquakes on the West Coast.

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1. The soil composition is different in the two regions.

Seismic waves generally travel much shorter distances on the West Coast than on the East Coast because the soil composition is different in the two regions.

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