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duck's quack
From
: Jayasanker_J <
jjaya@EZMSGP.HL.SIEMENS.DE
>
Date
: Fri, 13 Aug 1999 10:01:12 +0800
I read somewhere that:
A duck's quack doesn't echo, and no one knows why
Is this statement true ? if yes, any possible explanation ?
Jaya
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