sound are made when objects
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sound are made when objects
sounds are made when objects in the air
how do objects produce sound
sounds made by objects
sound is created when an object vibrates
sounds come from objects
how do objects make sounds
how is sound made
sound is produced by vibrating objects
how does sound make sound
how sound is created
what creates a sound
what makes a sound
sound are made when objects, sounds are made when objects in the air, how do objects produce sound, sounds made by objects, sound is created when an object vibrates, sounds come from objects, how do objects make sounds, how is sound made, sound is produced by vibrating objects, how does sound make sound, how sound is created, what creates a sound, what makes a sound