Why won't the quack of a duck echo?

Subject: Why won't the quack of a duck echo?

Date: Tue Mar 31 19:02:57 1998
Posted by Kelly McWilliams
Grade level: 7-9
School: St.Francis de Sales
City: Newark State/Province: Ohio
Country: USA
Area of science: Physics
ID: 891392577.Ph

Message:


I heard this fact on the radio today - they said that the only sound 
in the world that won't echo is a duck's quack. Just curious about why 
this is.I figure there's gotta be some scientific explanation.
Thanks.
Kelly McWilliams

Re: Why won't the quack of a duck echo?

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