are conductors of electricity make complete electric circuits are not conductors of electricity make the electricity move quickly
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Most electrical wires are covered with plastic or rubber. The wires are covered with plastic or rubber because those materials
Possibilities:
- are conductors of electricity
- make complete electric circuits
- are not conductors of electricity
- make the electricity move quickly

are not conductors of electricity