Answer the following question: Fact 1: Some light bulbs convert electricity into light and heat energy. Fact 2: Household light bulbs are evacuated glass enclosures with wires leading to a tungsten filament. Given the two facts above, some what enclosures convert electricity into light and heat energy?

Pick your answer from:
(A). made.
(B). glass.
(C). wool.
(D). support.
(E). fabric.
(F). cotton.
(G). cells.
(H). unique.
Answer:
(B).