Science, asked by dunali0786mour, 11 months ago

define echo........

Answers

Answered by sourya1794

13

Explanation:

a sound that is repeated as it is sent back off a surface such as the wall of a tunnel

Answered by sujalagrawall

2

HELLO,HERE IS YOUR ANSWER-A SOUND OR SOUND CAUSED BY THE REFLECTION OF SOUND WAVES FROM A SURFACE BACK TO THE LISTENER IS CALLED ECHO..

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