Question

Why does our voice echo on hills?

Answer 1

Answer:

echo is heard only when surfaces are far away.it is because the ears cannot distinguish between the two voices whensound is reflected from a nearby surface .This phenomenon is most commonly observed on the hills . The echo is very clear when on hills

Answer 2

Answer:echo is heard on hills because there is no object to absorb the sound. We do not hear echo normally because there are objects near us which absorb the sound and therefore we do not hear the echo.

Explanation: