Sound travels at the fastest speed in:

A. Water.
B. Air.
C. Steel.
D. Vacuum.

C. Steel.

Sound can travel in air at approximately 332 metres per second. Sound waves travel faster and more effectively in liquids than in air and travel even more effectively in solids. Sounds can travel at approximately 6000 metres per second in some solids and at a quarter of this speed in water.

Sound travels at the fastest speed in:

A. Water.
B. Air.
C. Steel.
D. Vacuum.

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