WILL MARK BRANIEST
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.A place where electricity is made
B.A very small piece of material
C.The inside of a lightbulb
D.The vacuum inside a bulb