Electromagnetic waves are generally
A. standing waves.
B. longitudinal waves.
C. transverse waves.
D. a 50/50 combination of transverse and longitudinal waves.
Answer: C
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A) The troposphere is warmer than the stratosphere. B) The troposphere is cooler than the stratosphere. C) Temperature decreases with altitude in the troposphere, but this trend reverses in the stratosphere. D) Density decreases with altitude in the troposphere, but this trend reverses in the stratosphere. E) The troposphere contains a smaller proportion of greenhouse gases than the stratosphere.
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If a piece of iron and a cup of water at the same temperature are heated so the internal energy of each doubles
A) the water will have the higher temperature. B) the iron will have the higher temperature. C) both will have the same temperature. D) need more information
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A) The Sun B) Proxima Centauri C) Sirius D) The Pistol Star