Question

What is an echo?Give two examples​

Answer 1

Echo is defined as a sound repeating by sound wave reflection, having a lasting or far reaching impact, or repeating what someone else has said.

An example of echo is the repeating of a sound created by footsteps in an empty marble hallway.

An example of echo is a new social program having a far reaching and lasting impact on society.

An example of echo is a teacher agreeing with and repeating what a parent says

Answer 2

Answer:

Typical examples are the echo produced by the bottom of a well, by a building, or by the walls of an enclosed room and an empty room. A true echo is a single reflection of the sound source.