Question and answer
A device used to open and close an electric circuit is a(n) a. light bulb. b. energy source. c. switch. d. resistor.
A device used to open and close an electric circuit is a switch.
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Asked 9/29/2014 3:24:36 PM
Updated 9/29/2014 3:38:24 PM
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A device used to open and close an electric circuit is a switch.
Added 9/29/2014 3:38:24 PM
This answer has been confirmed as correct and helpful.
Confirmed by Janet17 [10/6/2014 3:49:30 PM]
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A combination of sounds with distinct pitches and a specific pattern is ____.
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A combination of sounds with distinct pitches and a specific pattern is music.
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Updated 2/24/2016 6:18:14 AM
1 Answer/Comment
The intensity of a sound describes its loudness at a particular distance.
Added 2/24/2016 6:18:14 AM
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Confirmed by selymi [2/24/2016 6:22:33 AM]
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