Question

Which does not transmit sound waves?

a
liquids
b
outer space
c
gases
d
solids

Answer 1

`b. \: outer \: space`

Sound waves need to travel through a medium such as a solid, liquid, or gas.

Answer 2

Relative to solids and liquids, the air is a poor conductor of sound. Any elastic substance, solid-liquid gas plasma, can transmit sound. Inelastic substances (putty) cannot transmit sound. The speed of sound is generally greater in solids than in liquids and greater in liquids than in gases.

Step-by-step explanation:

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