Question

Answer in one word.
1. Sound waves require this to propagate.
2. The speed of sound is the lowest in such media.
3. This is the speed of sound in air.
4. This part of human ear acts like a microphone.
5. This nerve transmits the sound impulses to the brain.​

Answer 1

1.sound needs a material for their propagation like solid, liquid or gas

2.gaseous state

3.,344m/s

4.cochlea

5.auditory nerve