12.2k views
1 vote
A fluorescent light tube usually contains

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

User Gillonba
by
8.1k points

2 Answers

5 votes

Answer:

mercury vapor

Step-by-step explanation:

User Cleftheris
by
8.5k points
0 votes
If we are talking about CFL's (Compact Florescent Lights) Then the answer is C. Mercury Vapor
User Tassones
by
8.2k points
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