A Duck's Quack Doesn't Echo

A Duck's Quack Doesn't Echo

... It is a scientific myth that a duck's quack does not echo. Research has shown that a duck's quack does echo,but it is hard to hear because it is difficult to distinguish the quack from the echo.

There are several reasons why it is difficult to hear the echo:

Echoes are produced after loud noises. Ducks quack very softly,so the reflected sound is difficult to hear.

A reflecting surface is needed to hear an echo.Ducks tend not to live near reflecting surfaces such as cliff faces or buildings.An echo could be heard more readily if the duck quacked whilst flying past such as surface.
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AMERICAN MOVIES TEACH US:

AMERICAN MOVIES TEACH US:
1. Chinese have nothing better to do than teaching or practice Kung Fu.
2. More than 50% of U.S. population are FBI/CIA agents, working undercover.
3. The purpose of school system of U.S. is to promote basketball.
4. Aliens have special interest in attacking U.S.
.5. U.S is a place where you can meet all mythical creatures like werewolves and vampires.

INDIAN MOVIES TEACH US:
1. At least one of the identical twins is born evil.
2. While defusing a bomb, do not worry, whichever wire you cut you always choose the right one.
3. A hero will show no pain, while getting beaten up; but will show pain when a girl cleans up his wound.
4. A detective can solve a case only when he is suspended from duty.
5. If you decide to start dancing on the street, everyone you meet will know the steps.
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If you're always the one texting them

If you're always the one texting
them first, there's a 90% chance
that person isn't really interested in
you.
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