Which medium does sound waves travel fastest?
a, air
b. liquids
c, solids
d. vacuum
Which area will not be able to hear any sound?
a, A theater
b. A closed room
c. In a spaceship
d.in outer space


pls help me(〒﹏〒)｡:ﾟ(;´∩`;)ﾟ:｡
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