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adreamer adreamer
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Posts: 891
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6 years ago
A pattern of dark lines on a continuous background is referred to as
A) an emission line spectrum
B) an absorption line spectrum
C) a continuous spectrum
D) a dark spectrum
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
Authors:
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19Clyde19Clyde
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6 years ago
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