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drelog drelog
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8 years ago
The red color of emission nebulae comes from the ________.
A) energy emission of helium
B) energy emission of oxygen
C) energy emission of hydrogen
D) conversion of infrared light to visible light
E) conversion of ultraviolet light to visible light
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Earth Science

Earth Science


Edition: 14th
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PulsaPulsa
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drelog Author
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8 years ago
Exactly what I needed, exam is tomorrow!
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