Saturday
October 25, 2014

Posts by madz


Total # Posts: 2

science
Ear defenders work by absorbing the sound that was headed to your ear. They absorb the sound waves by increasing air resistance this reduces the loudness of the waves. The energy is converted into heat and the person wearing them can hear sounds at quieter amplitude than the ...
July 8, 2010

college
can somebodt give me an oratorical piece about nature?
December 22, 2008

Pages: 1

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