Question

FREE BRAINLIEST IF CORRECT (FILL IN THE BLANKS

Answer 1

Hard materials such as brick walls tend to (block sound waves, they bounce off of the brick creating an echo) sound waves while soft materials such as thick carpet tend to (absorb sound waves).

Hope this helps!

Answer 2

Answer:

Hard materials such as brink walls tend to increase.

Sound waves while soft materials such as thick carpet tend to decrease.