There can be no echo in space because space is a vacuum and there is no sound in vacuum.
Even if one considered the tiny density of hydrogen in interstellar space, the separation distance between molecules is too large to create a sound wave.
Only under extraordinary and peculiar circumstances could a phenomena called an echo be created and it would not be an echo of the type we consider sound.
A period right after the "echo" command would echo an empty line.
Sometimes it makes an echo or reverberation.
The word echo means a repetition of sound produced by the reflection of sound waves. The origin of this word is Latin.
It is mainly in cold and wet areas as well as large,quiet places. Then in that case yup, forests do produce echo.
The modern definition of echo is the repetition of sound produced by the reflection of sound waves from a wall, mountain, or other obstructing surface.
An echo is an example of reflection, which occurs when a wave bounces off a boundary. In the case of sound waves, an echo is produced when sound waves reflect off a surface and return to the listener.
Reverb is the persistence of sound reflections in an enclosed space, creating a sense of space and depth. Echo is the repetition of a sound that occurs with a delay, creating a distinct repetition effect.
Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo
echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo echo
The Echo 440 EVL was produced in the early 1990s, specifically around 1993. It was part of Echo's line of chainsaws known for their lightweight design and efficiency. This model was designed for both professional and homeowner use.
echocardiogram two dimensional i.e sound produced by reflection of sound waves
dolphins use a spiecal method called echo location it is produced from an organ which when the dolphin sqeecks the echo bouces off objects or prey and then comes back to the dolphin which is like locating the dolphin and thats why it is called echo location.