Respuesta :
It can be any. Some are born with it. Some do happen over age. And a lot of the time it can happen after an event to the brain.
You usually become mute because you were born with or developed a speech problem including the throat, lungs, mouth, etc. Becoming mute can develop after a tragic accident, injury, or desese. You can be born mute. Hope this helped and remember to mark me brainliest!