because if you was def and u had a dog the dog will bark or pick up the phone and give it to the def person. also the dog might see the flashing light on phone and start barking.
there are things in your ear that make you hear.
the vibrations of a sound transmit into the ear then the eardrum turns it into sound THEN
it processes it to the brain then you hear it all this happens in about three milliseconds you can hear sound the music and drams
they can hear sound in ears
Sound perspective is the way you hear a sound. (Where you hear it coming from)
The loudest sound that we can hear is about 130 decibels.
What unusual sound do they hear in the fire?
"Hear" doesn't have an "a" sound at all; it has a long "e" sound.
When a sound wave is reflected, you hear an echo.
you can hear by sound wave and ears
Sound is longitudinal waves that you can hear. http://en.wikipedia.org/wiki/Longitudinal_wave
Check whether your speakers are connected to your default soundcard.
In our ears the sound vibrates and makes the sound
you can hear the sound of birds and the sound of waves washing up to the surface (: .
Sound too low in frequency to hear (~<20Hz) is called infrasound. Sound too high infrequency to hear (~>20kHz) is called ultrasound.