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A florescent light tube usually contains what? A a vacuum B oxygen C. Mercury vapor D. Light emitting diodes
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1 vote
A florescent light tube usually contains what?

A a vacuum
B oxygen
C. Mercury vapor
D. Light emitting diodes

User Lodhb
by
4.8k points

1 Answer

5 votes

Answer:

mercury vapour

Step-by-step explanation:

it contains many other gases and it contains mercury vapour

User Bamieh
by
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