taylorfrazer10
contestada

What is an echo? (1 point)
O the absorption of sound waves
O the transmission of sound waves
O the reflection of sound waves
O the vibration of sound waves​

Respuesta :

gio6718

Answer:

The reflection of sound waves

Explanation:

An echo is a reflection of sound that bounces of of one thing to another.

xpaige
the reflection of sound waves, hope this helps :)

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