3.in witch medium can asound wave travel faster
a. gases
b. liquids
c. dolids
d. all of these
4.what effect the speed of sound as it travels
a. loudness of the soud
b. person receiving it
c. the nature of material
d. the origin of the sound
5.which of the following statements about sound is correct
a. sound cannot travel through air.
b.sound travels faster in air than in liquids
c.sound travels faster in solids than in air
d. the travel of a sound is not affected by a medium.


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