Subject: How can a human create infrasonic sound?
Date: Wed Sep 24 14:03:40 2003
Posted by boberto
Grade level: 7-9
School: No school entered.
City: No city entered. State/Province: No state entered.
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Area of science: General Biology
I know how to make ultrasound(by using a dog whistle) but is it possible to
make sound to low to hear? natural disasters can make them but is there
anything besides a 7 foot long pipe that can create them?
Re: How can a human create infrasonic sound?
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