Which of the following is true about sound waves? 1:they move faster than light
2:they make wind
3:the vibrate the air
4: they move slower in water than air

They transmit by vibration through mediums such as air.  So #3 is most logical answer.

Explanation:

It is in fact vibration of air (sound waves) which is transformed by the tympanic membrane in the ear of human to audible sounds.

Sound travels slower than light

Move faster in water than air.

Wind blowing through leaves and other objects creates sounds.

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