Question and answer
The first law of thermodynamics is a restatement of the A. Carnot cycle. B. law of heat addition. C. principle of entropy. D. conservation of energy. E. none of the above
The first law of thermodynamics is a restatement of the conservation of energy.
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jeifunk|Points 62473|
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Asked 12/18/2015 8:49:35 AM
Updated 12/18/2015 9:09:31 AM
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Confirmed by jeifunk [12/18/2015 9:09:31 AM]
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The spectrum produced by a prism or a raindrop is evidence that the average speed of light in the material depends on the light's A. transmission qualities. B. color. C. wave nature. D. particle nature.
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Updated 12/18/2015 11:44:42 AM
1 Answer/Comment
The spectrum produced by a prism or a raindrop is evidence that the average speed of light in the material depends on the light's COLOR.
Added 12/18/2015 11:44:42 AM
This answer has been confirmed as correct and helpful.
What is the ultimate source of electromagnetic waves? A. Vibrating atoms B. Vibrating molecules C. Radio sets D. Vibrating charged particles E. TV antennas
Weegy: Vibrating charged particles is the ultimate source of electromagnetic waves. User: The true color of water is A. clear. B. greenish blue. C. sky blue. D. green. E. white. (More)
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Updated 12/18/2015 12:00:47 PM
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The true color of water is clear.
Added 12/18/2015 12:00:47 PM
This answer has been confirmed as correct and helpful.
One difference between a hypothesis and a theory is that a hypothesis A. is a guess that has not been well tested, whereas a theory is a synthesis of well-tested guesses. B. is testable, whereas a theory is not testable. C. can be revised, whereas a theory cannot be revised. D. is not testable, whereas a theory is testable.
Weegy: One difference between a hypothesis and a theory is that a hypothesis is a guess that has not been well tested, whereas a theory is a synthesis of well-tested guesses. (More)
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Updated 12/16/2015 9:14:53 AM
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Indicate whether the statement is true or false. A scientific fact is something that is absolute and unchanging. A. True B. False
Weegy: A scientific fact is something that is absolute and unchanging. FALSE. (More)
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Expert Answered
Updated 12/16/2015 6:50:47 PM
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Sound waves in air are a series of A. periodic disturbances. B. periodic condensations and rarefactions. C. high- and low-pressure regions. D. all of the above E. none of the above
Weegy: Thne answer to this statement is in fact that sound waves carry all of these characteristics so the legitimate answer would be E. (More)
Question
Updated 12/18/2015 10:23:09 AM
1 Answer/Comment
ALL OF THE ABOVE. Sound waves in air are a series of : periodic disturbances, periodic condensations and rarefactions and high- and low-pressure regions.
Added 12/18/2015 10:23:08 AM
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