👤
Answered

What is an echo?

A - radio wave
B - fading sound
C - reflected sound
D - absorbed sound

Sagot :

Brainlyroyalrumblego

Answer:

C - reflected sound

Explanation:

mark as me BRAINLIESS

Answer:

Echo is the sound heard after reflection from a rigid surface such as a cliff, a hillside, the wall of a building etc.

Explanation: