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19 October, 16:45

Read the excerpt from "Thomas Edison: The Master of Improvement."

Its glow was produced by electricity passing through a filament, or tiny piece of material

The inside of the glass bulb was a vacuum.

Based on context clues, what is the meaning of the word filament?

a place where electricity is made

a very small piece of material

the inside of a lightbulb

the vacuum inside a bulb

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Answers (2)
  1. 19 October, 18:51
    0
    D: the vacuum inside a bulb
  2. 19 October, 20:10
    0
    the vacuum inside a bulb
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