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Which of the following is not a natural source of light?  A. Oil lamps B. Fluorescence C. Phosphorescence D. The sun
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5 votes
Which of the following is not a natural source of light? 

A. Oil lamps   
B. Fluorescence   
C. Phosphorescence   
D. The sun

User MrGumble
by
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2 Answers

2 votes

Penn Foster STudents: Oil Lamps

User Rony Rozen
by
6.7k points
5 votes
A oil lamps

Because you woil still jabe to make the lamps to put the oil in and the pil also has to be mixed with other chemical.
User Jesper Bylund
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7.6k points
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