Question

Select the correct answer.

Which of these factors will increase the speed of a sound wave in the air?
A. slowing down the movement of particles in the air
B. raising the temperature of the air
C. removing particles form the air
D. decreasing the kinetic energy of the air
E. stopping particle collisions in the air

Answer 1

Answer: B. Raising the temperature of the air

Answer 2

B

Step-by-step explanation:

But molecules at a higher temperature have more energy.