Nov 18, Gases are less dense than liquids or solids, so when sound moves through them, the gas molecules bump into each other less frequently.

Sound is simply mechanical vibrations with frequencies between 20Hz and 20KHz Sound normally travels in longitudinal waves, but in solids it can also travel in.

The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear. These bones are called.

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Then, these changes are transmitted to the drum shell and reflected back, and this action is repeated, creating a vibration. These vibrations of the top and bottom.

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For me the best way to travel to Batumi from Tbilisi is by the train. The new trains from Stadler are fantastic with the business class in the upper.

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