Question

Sammy is talking to Sally. Position A is a position in front of Sammy's mouth. Position B is a position in front of Sally's ear. In order for Sally to her Sammy's voice, air particles must _______.

Answer 1

vibrate

Step-by-step explanation:

Answer 2

Step-by-step explanation:

To listen the sound, the air particles must vibrates.

As the sound energy produce vibrations in the medium, so the air column exerts pressure, and then the air molecules set into vibrations and we hear sound as the diaphram set into vibrations.