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Which of the following is not a natural source of light?

a. The sun
b. Fluorescence
c. Phosphorescence
d. Oil lamps

2 Answers

1 vote

Penn Foster STudents: Oil Lamps

User Sduplooy
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So we want to know which is not natural source of light. Sun is the natural source of light. Flourescence, oil lamps and phosporescence are all mechanisms of creating light that are artificial and made by people. So the correct answer is b. c. and d.
User Komsky
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6.8k points