When a wave hits a surface through which it cannot pass and bounces back, it undergoes a. reflection. b. refraction. c. constructive interference. d. destructive interference.

It is most likely A if notc

Reflexing is the throwing back by a body or surface of light, heat, or sound without absorbing it.

Refraction is being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.

Constructive interference is When two waves meet in such a way that their crests line up together

Destructive interference is the crest of one wave meets the trough of another, and the result is a lower total amplitude.

SO most likely it is A

Simple, don't do it. just don't go to that dock

Sounds propagates through some kind of medium. usually it's air, but it goes just as well through solid objects like walls, windows etc. a soundwave will compress the (air)molecules in front of it, and if this increased density wave hits your ears, you register it as sound. solid objects like walls are a lot denser than air, this means that they will damp a wave, but also carry it easier.