Question

What is Echo?

answer asap​

Answer 1

Answer:

the sound which effects back again to youvis known as echo

Answer 2

$\huge\star\underline\mathtt\purple{Answer:-}$$<p style="color:pink;font-family:cursive;background:black;font size:25px;">The repetation of sound heard by an observor due to multiple reflection of sound from the surface of an object is called Echo.$

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