Question

what do you mean by ECHO
Dont spam.​

Answer 1

Answer:

Echo is nothing else but reflected sound.

Answer 2

Explanation:

ECHO. An echo is a repetition or imitation of sound. When sound waves hit a hard surface they might reflect, making the sound bounce and repeat. ... You were frightened when you thought someone was following you, until you realized you were only hearing the echo of your own footsteps.