Question

What is the type of sound waves propagating in air ?
(A) Longitudinal only
(B) Transverse only
(C) It can be either longitudinal or transverse
(D) Non-mechanical

Answer 1

Sound Propagation. 
Sound propagates through air as a longitudinal wave. The speed of sound is determined by the properties of the air, and not by the frequency or amplitude of the sound.Sound waves, as well as most other types of waves, can be described in terms of the following basic wave phenomena.

Answer 2

hello mate!....

➡️ the longitudinal wave is through by sound propagates.

➡️ option "A" is correct.

➡️ hope it helps u