What types of medium(s) can sound travel through?

solids
liquids
all of them
gasses

Explanation:

Of the three mediums (gas, liquid, and solid) sound waves travel the slowest through gases, faster through liquids, and fastest through solids. Temperature also affects the speed of sound. Gases: The speed of sound depends upon the properties of the medium it is passing through.

all of them

Explanation:

As talking about sound,all of them are responsible for this.Sound can travel in three mediums but if differs according to speed as it travels fastest in solid,faster in liquid and slow in gases.

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a) the particles of the chair are strongly held together.