Question

an echo is heard due to the
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Answer 1

║⊕ANSWER⊕║

• An echo is a sound that is repeated because the sound waves are reflected back.
• Sound waves can bounce off smooth, hard objects in the same way as a rubber ball bounces off the ground.
• Although the direction of the sound changes, the echo sounds the same as the original sound.

Answer 2

Answer:

ECHO IS HEARD DUE TO

An echo is a sound that is repeated because the sound waves are reflected back. Sound waves can bounce off smooth, hard objects in the same way as a rubber ball bounces off the ground. ... That is why echoes can be heard in a canyon, cave, or mountain range. But sounds are not always reflected.