Which type of matter would transmit sound waves fastest?
A. air at 5°C
B. air at 20°C
C. ice at 0°C
.D. seawater at 20°C

The Answer to this question is given below in this explanation section.

Explanation:

"C" option is correct

    "ice at 0°C"

sound waves can only travel through a solid,liquid or gas medium.They travel fastest in solids,then liquid and slowest in gases.

Three phases of matter(gas,liquid and solid) sound wave travel in the slowest through gases fastest through solids.Sound wave need to travel through a medium such as solid liquid and gases.The sound wave move through each of these medium by vibrating the molecule in the matter.The molecule in solid are packed very tightly.Liquid as not packed are tightly.And gases are very loosely packed.This enables sound to travel much faster through a solid than gas.Sound travel about four time faster and further in water than it does in air.Sound waves travel about thirteen times faster in wood than air.They also travel faster on hotter days as the molecule bump into each other more often then when it is cold.Sound travels more quickly through solid then through liquids and gases because the molecules of a solid are closer together and,therefore can transmit the vibration faster.sound travels most slowly through gases because the molecule of a gas are farthest apart.    

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