The answer to this riddle is your voice.
They can
Because the sun is so freakin far away..Can you hear your neighbors in their house? No but you can see them.
Because he is on the 'phone.
Obviously.
blind
i can hear the video whats going on but i cant actual see the video only white blank window even if i want to see in full screen it wont come
Buffalo cant really see because of their fur but there hearing and smell are very good.
sense and sense ability
With the exception of charlatans no one 'talks' to ghosts.
Snowman
Because rotors are noisy and helicopters isually fly close to ground
being deaf is when you cant hear a single thing but you can still see the cheesecake yay