Question

The differences in air pressure that create a sound wave are the result of differences in the velocities of air particles. Is this true or false?

Answer 1

true

Explanation:

The differences in air pressure that create a sound wave are the result of differences in the velocities of the air particles. Due to the Doppler effect, an observer will hear a sound that moves away from her and has a higher pitch. Sound waves will travel faster on a dry day than on a humid day of the same temperature.

Therefore, the statement is true