What happens to a sound wave when it interferes with another sound wave having the same frequency but traveling in the opposite direction?

A standing wave is generated. A standing wave is the result of the interference between two waves having the same frequency and traveling in opposite directions.

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.