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Question
The reason scientists believe the reflective bright nebulae contain more heavy materials than the emission bright nebulae is that ________.A) they reflect more colors than the emission nebulae
B) they glow brighter than an energy emission source could produce
C) they are brighter than a low density source could produce
D) they are dimmer than a low density source could produce
E) they are blue, and that color is associated with carbon
Answer
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Related questions
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