Question

___________ is an insulator. *



Wood

Iron

Copper

Graphite​

Answer 1

Answer:

wood

Explanation:

as insulator means poor conductor

and  WOOD IS NOT A METAL AND as ONLY METALS ARE CONDUCTORS OF ELECTRICITY. FACT:GRAPHITE IS THE ONLY NON-METAL CONDUCTOR OF ELECTRICITY. 

I tried my best to help u..Hope it helps u..

Answer 2

Answer:

wood

insulator means which can't conduct heat and electricity..