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GREYUIT [131]
4 years ago
6

What is echo?.....................​

Physics
2 answers:
mestny [16]4 years ago
5 0

Answer:

An echo is a sound  caused by the reflection of sound waves from a surface back to the listener.

Explanation:

fgiga [73]4 years ago
4 0

Answer:

It is the sound reflected/bounced back from an object to your ears.

You hear echo when there is a vast space with no objects around because since there are no objects to absorb the sound, the sound get bounced back to you.

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