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A fluorescent light tube usually contains A. a vacuum. B. oxygen. C. mercury vapor. D. light-emitting diodes.

A fluorescent light tube usually contains A. a vacuum. B. oxygen. C. mercury vapor. D. light-emitting diodes.
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1 vote
A fluorescent light tube usually contains

A. a vacuum.
B. oxygen.
C. mercury vapor.
D. light-emitting diodes.

User Gillonba
by
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2 Answers

5 votes

Answer:

mercury vapor

Step-by-step explanation:

User Cleftheris
by
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If we are talking about CFL's (Compact Florescent Lights) Then the answer is C. Mercury Vapor
User Tassones
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