Question

. As the sound wave propagates from one
place to the other in air, the air itself is
not required to move from one place to
the other.​

Answer 1

Answer:

air is everywhere they just act as a medium

Sound traveller in the form of vibration of air

Answer 2

air is everywhere act as a medium. sound travel in the form of vibration of air. speed of light in vacuum is 3 × 10^8 m/s.