Why do sound engineers use spongy materials in the walls? (1 point) o to increase the frequency of sound waves
o to transmit sound waves more clearly
O to reflect sound waves better
O to absorb sound waves

o to increase the frequency of sound waves. It increases the sound waves to a level of frequency that humans cannot hear so you won't be able to hear many things though the wall other then low noises like pounding.

Explanation:

I am in construction class as well as a student teacher for other construction type programs trust me :D

Brainiest would be appreciated

reserve is the answer