Question

A builder wants to make a room soundproof in a new home. The builder should use materials that _____.
Responses

reflect sound waves and create echoes
reflect sound waves and create echoes - no response given

absorb sound waves and create echoes
absorb sound waves and create echoes - no response given

reflect sound waves and prevent echoes
reflect sound waves and prevent echoes - no response given

absorb sound waves and prevent echoes

Answer 1

absorb sound waves and prevent echoes