| http://www.w3.org/ns/prov#value | - ??? ??? ??? waves is a repeating disturbance movement or vibration ??? ??? ??? mechanical waves Waves that need a medium to travel through ??? ??? ??? transverse waves waves that move the medium at right angles to the direction in which the waves travel ??? ??? ??? compressional waves A wave in which matter vibrates in the same direction as the energy waves traveling through it. ??? ??? ??? wavele
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