Silver Burdett Science Program

Silver Burdett Science Program

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Sound travels through air at more than 740 miles per hour, or about one mile in five seconds. 2. Sound generally ... THE SPEED OF SOUND When a friend talks to you, how long does it take the sound to reach your ears? Does it take aquot;no time anbsp;...

Title:Silver Burdett Science Program
Author:George G. Mallinson
Publisher: - 1965


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