Fact 1: An electrical insulator slows the transfer of electricity.

Fact 2: Plastic is an insulator of electricity.

Given the two facts above, answer the question "what slows the transfer of electricity?" with the following options: 
- conductors
 - the skin
 - toxins
 - sweating
 - plastic
 - electrons
 - cold air
 - neutrons


 

     plastic    