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1) One is transversal, the other longitudinal.
2) One needs a medium, the other does not.
3) One is a mechanical wave, the other is not.
4) One is sensed in the ears, the other in the eyes.
5) One propagates in a vacuum, the other does not.
6) One is very fast, the other sort of slow.
7) One can travel great distances, the other does not.
8) One can be produced by heating objects to high temperatures, the other by sudden release of pressure.
9) One has very high frequencies, the other reasonably low.
10) One can be produced by the vocal cords in our throat, the other only with instruments or utensils.
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