What type of spectrum is observed when the light from a hot, dense body is seen through a cooler, tenuous gas?

A. emission-line
B. continuous
C. absorption-line
D. None of these choices are correct.


Answer: C

Physics & Space Science

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Arrange the atoms calcium, barium, chlorine, and bromine in order of increasing atomic radius

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If 25 kg of ice at 0°C is combined with 4 kg of steam at 100°C, what will be the final equilibrium temperature (in °C) of the system?

A. 40 B. 20 C. 60 D. 100 E. 8

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Define the purpose of value-added content. What criteria can you use to determine whether or not to add a content element? List examples of types of value-added content you can add to a website.

What will be an ideal response?

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