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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

2 Answers

5 votes

Answer:

a place where electricity is made

Step-by-step explanation:

User Siphalor
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The vacuum inside of a bulb
User DeiAndrei
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