<span>the Amu Dar'ya is your answer i am 100 percent positive that this is the right answer
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Explanation:
over it thats the correct answee
Answer:
Because of their wave movement, P waves travel through any kind of material, whether it is a solid, liquid or gas. On the other hand, S waves only move through solids and are stopped by liquids and gases. ... This also accounts why fewer S waves are recorded than P waves.
Im prerty sure it has something to do with the enconomy in the Usa
